677517631156 has 48 divisors (see below), whose sum is σ = 1227113395200. Its totient is φ = 327132546048.

The previous prime is 677517631139. The next prime is 677517631207. The reversal of 677517631156 is 651136715776.

It is a junction number, because it is equal to n+sod(n) for n = 677517631097 and 677517631106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4828420 + ... + 4966756.

It is an arithmetic number, because the mean of its divisors is an integer number (25564862400).

Almost surely, 2^677517631156 is an apocalyptic number.

It is an amenable number.

677517631156 is a deficient number, since it is larger than the sum of its proper divisors (549595764044).

677517631156 is a wasteful number, since it uses less digits than its factorization.

677517631156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138736 (or 138734 counting only the distinct ones).

The product of its digits is 5556600, while the sum is 55.

The spelling of 677517631156 in words is "six hundred seventy-seven billion, five hundred seventeen million, six hundred thirty-one thousand, one hundred fifty-six".