677456234831 has 4 divisors (see below), whose sum is σ = 677478291672. Its totient is φ = 677434177992.

The previous prime is 677456234771. The next prime is 677456234849. The reversal of 677456234831 is 138432654776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 677456234831 - 2³⁴ = 660276365647 is a prime.

It is a super-2 number, since 2×677456234831² (a number of 24 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 (677456234891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10982285 + ... + 11043798.

It is an arithmetic number, because the mean of its divisors is an integer number (169369572918).

Almost surely, 2^677456234831 is an apocalyptic number.

677456234831 is a deficient number, since it is larger than the sum of its proper divisors (22056841).

677456234831 is a wasteful number, since it uses less digits than its factorization.

677456234831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22056840.

The product of its digits is 20321280, while the sum is 56.

The spelling of 677456234831 in words is "six hundred seventy-seven billion, four hundred fifty-six million, two hundred thirty-four thousand, eight hundred thirty-one".