9977506912 has 48 divisors (see below), whose sum is σ = 19868919840. Its totient is φ = 4931555328.

The previous prime is 9977506901. The next prime is 9977506943. The reversal of 9977506912 is 2196057799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4092958 + ... + 4095394.

It is an arithmetic number, because the mean of its divisors is an integer number (413935830).

Almost surely, 2^9977506912 is an apocalyptic number.

It is an amenable number.

9977506912 is a deficient number, since it is larger than the sum of its proper divisors (9891412928).

9977506912 is a wasteful number, since it uses less digits than its factorization.

9977506912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863 (or 3855 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 55.

The square root of 9977506912 is about 99887.4712463981. The cubic root of 9977506912 is about 2152.8181477553.

The spelling of 9977506912 in words is "nine billion, nine hundred seventy-seven million, five hundred six thousand, nine hundred twelve".