612081270677 has 8 divisors (see below), whose sum is σ = 633229545240. Its totient is φ = 590935797760.

The previous prime is 612081270667. The next prime is 612081270719. The reversal of 612081270677 is 776072180216.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35391391876 + 576689878801 = 188126^2 + 759401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612081270677 - 2¹⁴ = 612081254293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612081270667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251024 + ... + 1134537.

It is an arithmetic number, because the mean of its divisors is an integer number (79153693155).

Almost surely, 2^612081270677 is an apocalyptic number.

It is an amenable number.

612081270677 is a deficient number, since it is larger than the sum of its proper divisors (21148274563).

612081270677 is a wasteful number, since it uses less digits than its factorization.

612081270677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400823.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 612081270677 in words is "six hundred twelve billion, eighty-one million, two hundred seventy thousand, six hundred seventy-seven".