77976004972 has 12 divisors (see below), whose sum is σ = 136491054336. Its totient is φ = 38978560880.

The previous prime is 77976004963. The next prime is 77976004973. The reversal of 77976004972 is 27940067977.

It is not an unprimeable number, because it can be changed into a prime (77976004973) 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, 2341804 + ... + 2374867.

It is an arithmetic number, because the mean of its divisors is an integer number (11374254528).

Almost surely, 2^77976004972 is an apocalyptic number.

It is an amenable number.

77976004972 is a deficient number, since it is larger than the sum of its proper divisors (58515049364).

77976004972 is a wasteful number, since it uses less digits than its factorization.

77976004972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720808 (or 4720806 counting only the distinct ones).

The product of its (nonzero) digits is 9335088, while the sum is 58.

The spelling of 77976004972 in words is "seventy-seven billion, nine hundred seventy-six million, four thousand, nine hundred seventy-two".