977571255 has 16 divisors (see below), whose sum is σ = 1567503360. Its totient is φ = 520241568.

The previous prime is 977571253. The next prime is 977571271. The reversal of 977571255 is 552175779.

It is not a de Polignac number, because 977571255 - 2¹ = 977571253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977571253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63435 + ... + 77324.

It is an arithmetic number, because the mean of its divisors is an integer number (97968960).

Almost surely, 2^977571255 is an apocalyptic number.

977571255 is a deficient number, since it is larger than the sum of its proper divisors (589932105).

977571255 is a wasteful number, since it uses less digits than its factorization.

977571255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141230.

The product of its digits is 771750, while the sum is 48.

The square root of 977571255 is about 31266.1359141164. The cubic root of 977571255 is about 992.4671503233.

The spelling of 977571255 in words is "nine hundred seventy-seven million, five hundred seventy-one thousand, two hundred fifty-five".