977913450 has 36 divisors (see below), whose sum is σ = 2627328678. Its totient is φ = 260776800.

The previous prime is 977913449. The next prime is 977913463. The reversal of 977913450 is 54319779.

977913450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 576432081 + 401481369 = 24009^2 + 20037^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 977913396 and 977913405.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1086121 + ... + 1087020.

Almost surely, 2^977913450 is an apocalyptic number.

977913450 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

977913450 is an abundant number, since it is smaller than the sum of its proper divisors (1649415228).

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

977913450 is a wasteful number, since it uses less digits than its factorization.

977913450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173159 (or 2173151 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 977913450 is about 31271.6077296963. The cubic root of 977913450 is about 992.5829398971.

The spelling of 977913450 in words is "nine hundred seventy-seven million, nine hundred thirteen thousand, four hundred fifty".