31677577408 has 56 divisors (see below), whose sum is σ = 63444967344. Its totient is φ = 15691852800.

The previous prime is 31677577403. The next prime is 31677577409. The reversal of 31677577408 is 80477577613.

It is not an unprimeable number, because it can be changed into a prime (31677577403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5673178 + ... + 5678758.

Almost surely, 2^31677577408 is an apocalyptic number.

It is an amenable number.

31677577408 is an abundant number, since it is smaller than the sum of its proper divisors (31767389936).

31677577408 is a wasteful number, since it uses less digits than its factorization.

31677577408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401 (or 6391 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 55.

The spelling of 31677577408 in words is "thirty-one billion, six hundred seventy-seven million, five hundred seventy-seven thousand, four hundred eight".