877298261 has 16 divisors (see below), whose sum is σ = 1011419136. Its totient is φ = 745402416.

The previous prime is 877298251. The next prime is 877298263. The reversal of 877298261 is 162892778.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-877298261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877298263) 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, 545120 + ... + 546726.

It is an arithmetic number, because the mean of its divisors is an integer number (63213696).

Almost surely, 2^877298261 is an apocalyptic number.

It is an amenable number.

877298261 is a deficient number, since it is larger than the sum of its proper divisors (134120875).

877298261 is a wasteful number, since it uses less digits than its factorization.

877298261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248.

The product of its digits is 677376, while the sum is 50.

The square root of 877298261 is about 29619.2211410091. The cubic root of 877298261 is about 957.3022716825.

The spelling of 877298261 in words is "eight hundred seventy-seven million, two hundred ninety-eight thousand, two hundred sixty-one".