70707346774477 has 4 divisors (see below), whose sum is σ = 80808396313696. Its totient is φ = 60606297235260.

The previous prime is 70707346774451. The next prime is 70707346774513. The reversal of 70707346774477 is 77447764370707.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70707346774477 - 2⁷ = 70707346774349 is a prime.

It is a super-2 number, since 2×70707346774477² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70707346744477) 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, 5050524769599 + ... + 5050524769612.

It is an arithmetic number, because the mean of its divisors is an integer number (20202099078424).

Almost surely, 2^{70707346774477} is an apocalyptic number.

It is an amenable number.

70707346774477 is a deficient number, since it is larger than the sum of its proper divisors (10101049539219).

70707346774477 is a wasteful number, since it uses less digits than its factorization.

70707346774477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101049539218.

The product of its (nonzero) digits is 948721536, while the sum is 70.

The spelling of 70707346774477 in words is "seventy trillion, seven hundred seven billion, three hundred forty-six million, seven hundred seventy-four thousand, four hundred seventy-seven".