347340701677 has 4 divisors (see below), whose sum is σ = 367772507676. Its totient is φ = 326908895680.

The previous prime is 347340701639. The next prime is 347340701681. The reversal of 347340701677 is 776107043743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776107043743 = 357793 ⋅2169151.

It can be written as a sum of positive squares in 2 ways, for example, as 117195990921 + 230144710756 = 342339^2 + 479734^2 .

It is a de Polignac number, because none of the positive numbers 2^k-347340701677 is a prime.

It is a super-2 number, since 2×347340701677² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 347340701677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347340701377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10215902974 + ... + 10215903007.

It is an arithmetic number, because the mean of its divisors is an integer number (91943126919).

Almost surely, 2^347340701677 is an apocalyptic number.

It is an amenable number.

347340701677 is a deficient number, since it is larger than the sum of its proper divisors (20431805999).

347340701677 is a wasteful number, since it uses less digits than its factorization.

347340701677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20431805998.

The product of its (nonzero) digits is 2074464, while the sum is 49.

The spelling of 347340701677 in words is "three hundred forty-seven billion, three hundred forty million, seven hundred one thousand, six hundred seventy-seven".