977045553 has 24 divisors (see below), whose sum is σ = 1551360096. Its totient is φ = 587620800.

The previous prime is 977045549. The next prime is 977045603. The reversal of 977045553 is 355540779.

977045553 is a `hidden beast` number, since 97 + 7 + 0 + 4 + 5 + 553 = 666.

It is not a de Polignac number, because 977045553 - 2² = 977045549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 977045499 and 977045508.

It is not an unprimeable number, because it can be changed into a prime (977045533) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 24700 + ... + 50637.

It is an arithmetic number, because the mean of its divisors is an integer number (64640004).

Almost surely, 2^977045553 is an apocalyptic number.

It is an amenable number.

977045553 is a deficient number, since it is larger than the sum of its proper divisors (574314543).

977045553 is a wasteful number, since it uses less digits than its factorization.

977045553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75485 (or 75482 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 45.

The square root of 977045553 is about 31257.7278924748. The cubic root of 977045553 is about 992.2892142681.

The spelling of 977045553 in words is "nine hundred seventy-seven million, forty-five thousand, five hundred fifty-three".