977599008664 has 8 divisors (see below), whose sum is σ = 1832998141260. Its totient is φ = 488799504328.

The previous prime is 977599008653. The next prime is 977599008691. The reversal of 977599008664 is 466800995779.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×977599008664³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 977599008593 and 977599008602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61099938034 + ... + 61099938049.

Almost surely, 2^977599008664 is an apocalyptic number.

It is an amenable number.

977599008664 is a deficient number, since it is larger than the sum of its proper divisors (855399132596).

977599008664 is a wasteful number, since it uses less digits than its factorization.

977599008664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122199876089 (or 122199876085 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 70.

The spelling of 977599008664 in words is "nine hundred seventy-seven billion, five hundred ninety-nine million, eight thousand, six hundred sixty-four".