9977702156612 has 24 divisors (see below), whose sum is σ = 18224159599296. Its totient is φ = 4770894838688.

The previous prime is 9977702156599. The next prime is 9977702156623. The reversal of 9977702156612 is 2166512077799.

It is a super-3 number, since 3×9977702156612³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11507483 + ... + 12344130.

It is an arithmetic number, because the mean of its divisors is an integer number (759339983304).

Almost surely, 2^{9977702156612} is an apocalyptic number.

9977702156612 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9977702156612 is a deficient number, since it is larger than the sum of its proper divisors (8246457442684).

9977702156612 is a wasteful number, since it uses less digits than its factorization.

9977702156612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23856187 (or 23856185 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 62.

The spelling of 9977702156612 in words is "nine trillion, nine hundred seventy-seven billion, seven hundred two million, one hundred fifty-six thousand, six hundred twelve".