977890412 has 12 divisors (see below), whose sum is σ = 1766511936. Its totient is φ = 473172720.

The previous prime is 977890409. The next prime is 977890481. The reversal of 977890412 is 214098779.

977890412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3942983 + ... + 3943230.

It is an arithmetic number, because the mean of its divisors is an integer number (147209328).

Almost surely, 2^977890412 is an apocalyptic number.

It is an amenable number.

977890412 is a deficient number, since it is larger than the sum of its proper divisors (788621524).

977890412 is a wasteful number, since it uses less digits than its factorization.

977890412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886248 (or 7886246 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 977890412 is about 31271.2393742237. The cubic root of 977890412 is about 992.5751453064.

The spelling of 977890412 in words is "nine hundred seventy-seven million, eight hundred ninety thousand, four hundred twelve".