877672745 has 12 divisors (see below), whose sum is σ = 1082450124. Its totient is φ = 683156160.

The previous prime is 877672727. The next prime is 877672759. The reversal of 877672745 is 547276778.

It can be written as a sum of positive squares in 6 ways, for example, as 119661721 + 758011024 = 10939^2 + 27532^2 .

It is not a de Polignac number, because 877672745 - 2²⁶ = 810563881 is a prime.

It is a Duffinian number.

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, 57266 + ... + 70955.

It is an arithmetic number, because the mean of its divisors is an integer number (90204177).

Almost surely, 2^877672745 is an apocalyptic number.

It is an amenable number.

877672745 is a deficient number, since it is larger than the sum of its proper divisors (204777379).

877672745 is a wasteful number, since it uses less digits than its factorization.

877672745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128300 (or 128263 counting only the distinct ones).

The product of its digits is 4609920, while the sum is 53.

The square root of 877672745 is about 29625.5421047447. The cubic root of 877672745 is about 957.4384638241.

The spelling of 877672745 in words is "eight hundred seventy-seven million, six hundred seventy-two thousand, seven hundred forty-five".