677975520951 has 12 divisors (see below), whose sum is σ = 980407043928. Its totient is φ = 451471802544.

The previous prime is 677975520947. The next prime is 677975520953. The reversal of 677975520951 is 159025579776.

677975520951 is a `hidden beast` number, since 6 + 7 + 79 + 7 + 552 + 0 + 9 + 5 + 1 = 666.

It is not a de Polignac number, because 677975520951 - 2² = 677975520947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677975520953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42648120 + ... + 42664013.

It is an arithmetic number, because the mean of its divisors is an integer number (81700586994).

Almost surely, 2^677975520951 is an apocalyptic number.

677975520951 is a deficient number, since it is larger than the sum of its proper divisors (302431522977).

677975520951 is a wasteful number, since it uses less digits than its factorization.

677975520951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85313022 (or 85313019 counting only the distinct ones).

The product of its (nonzero) digits is 41674500, while the sum is 63.

It can be divided in two parts, 677975 and 520951, that added together give a triangular number (1198926 = T₁₅₄₈).

The spelling of 677975520951 in words is "six hundred seventy-seven billion, nine hundred seventy-five million, five hundred twenty thousand, nine hundred fifty-one".