977488922 has 4 divisors (see below), whose sum is σ = 1466233386. Its totient is φ = 488744460.

The previous prime is 977488847. The next prime is 977488951. The reversal of 977488922 is 229884779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229884779 = 239 ⋅961861.

It can be written as a sum of positive squares in only one way, i.e., 918029401 + 59459521 = 30299^2 + 7711^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244372229 + ... + 244372232.

Almost surely, 2^977488922 is an apocalyptic number.

977488922 is a deficient number, since it is larger than the sum of its proper divisors (488744464).

977488922 is a wasteful number, since it uses less digits than its factorization.

977488922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488744463.

The product of its digits is 4064256, while the sum is 56.

The square root of 977488922 is about 31264.8192382428. The cubic root of 977488922 is about 992.4392870204.

The spelling of 977488922 in words is "nine hundred seventy-seven million, four hundred eighty-eight thousand, nine hundred twenty-two".