875878657 has 2 divisors, whose sum is σ = 875878658. Its totient is φ = 875878656.

The previous prime is 875878639. The next prime is 875878667. The reversal of 875878657 is 756878578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 770118001 + 105760656 = 27751^2 + 10284^2 .

It is a cyclic number.

It is not a de Polignac number, because 875878657 - 2²⁷ = 741660929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 875878595 and 875878604.

It is not a weakly prime, because it can be changed into another prime (875878667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437939328 + 437939329.

It is an arithmetic number, because the mean of its divisors is an integer number (437939329).

Almost surely, 2^875878657 is an apocalyptic number.

It is an amenable number.

875878657 is a deficient number, since it is larger than the sum of its proper divisors (1).

875878657 is an equidigital number, since it uses as much as digits as its factorization.

875878657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26342400, while the sum is 61.

The square root of 875878657 is about 29595.2472028872. The cubic root of 875878657 is about 956.7856386388.

The spelling of 875878657 in words is "eight hundred seventy-five million, eight hundred seventy-eight thousand, six hundred fifty-seven".