977850860 has 36 divisors (see below), whose sum is σ = 2388752352. Its totient is φ = 335262816.

The previous prime is 977850859. The next prime is 977850883. The reversal of 977850860 is 68058779.

It is a happy number.

977850860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 977850799 and 977850808.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497924 + ... + 499883.

It is an arithmetic number, because the mean of its divisors is an integer number (66354232).

Almost surely, 2^977850860 is an apocalyptic number.

It is an amenable number.

977850860 is an abundant number, since it is smaller than the sum of its proper divisors (1410901492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

977850860 is a wasteful number, since it uses less digits than its factorization.

977850860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997830 (or 997821 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 977850860 is about 31270.6069656475. The cubic root of 977850860 is about 992.5617631452.

The spelling of 977850860 in words is "nine hundred seventy-seven million, eight hundred fifty thousand, eight hundred sixty".