977588872663 has 4 divisors (see below), whose sum is σ = 1052788016728. Its totient is φ = 902389728600.

The previous prime is 977588872627. The next prime is 977588872717. The reversal of 977588872663 is 366278885779.

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 977588872663 - 2²⁵ = 977555318231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 977588872663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977588872363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37599572013 + ... + 37599572038.

It is an arithmetic number, because the mean of its divisors is an integer number (263197004182).

Almost surely, 2^977588872663 is an apocalyptic number.

977588872663 is a deficient number, since it is larger than the sum of its proper divisors (75199144065).

977588872663 is a wasteful number, since it uses less digits than its factorization.

977588872663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75199144064.

The product of its digits is 1706987520, while the sum is 76.

The spelling of 977588872663 in words is "nine hundred seventy-seven billion, five hundred eighty-eight million, eight hundred seventy-two thousand, six hundred sixty-three".