677163031623 has 48 divisors (see below), whose sum is σ = 1079238809376. Its totient is φ = 406483246080.

The previous prime is 677163031613. The next prime is 677163031637. The reversal of 677163031623 is 326130361776.

It is a happy number.

677163031623 is a `hidden beast` number, since 6 + 7 + 7 + 1 + 630 + 3 + 1 + 6 + 2 + 3 = 666.

It is not a de Polignac number, because 677163031623 - 2⁴ = 677163031607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677163031613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52458336 + ... + 52471242.

It is an arithmetic number, because the mean of its divisors is an integer number (22484141862).

Almost surely, 2^677163031623 is an apocalyptic number.

677163031623 is a deficient number, since it is larger than the sum of its proper divisors (402075777753).

677163031623 is a wasteful number, since it uses less digits than its factorization.

677163031623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23904 (or 23901 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The spelling of 677163031623 in words is "six hundred seventy-seven billion, one hundred sixty-three million, thirty-one thousand, six hundred twenty-three".