977768960906 has 16 divisors (see below), whose sum is σ = 1469206728000. Its totient is φ = 488033502528.

The previous prime is 977768960897. The next prime is 977768960939. The reversal of 977768960906 is 609069867779.

977768960906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×977768960906² (a number of 25 digits) contains 22 as substring.

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, 28182386 + ... + 28217058.

It is an arithmetic number, because the mean of its divisors is an integer number (91825420500).

Almost surely, 2^977768960906 is an apocalyptic number.

977768960906 is a deficient number, since it is larger than the sum of its proper divisors (491437767094).

977768960906 is a wasteful number, since it uses less digits than its factorization.

977768960906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58813.

The product of its (nonzero) digits is 432081216, while the sum is 74.

The spelling of 977768960906 in words is "nine hundred seventy-seven billion, seven hundred sixty-eight million, nine hundred sixty thousand, nine hundred six".