869880563 has 2 divisors, whose sum is σ = 869880564. Its totient is φ = 869880562.

The previous prime is 869880547. The next prime is 869880581. The reversal of 869880563 is 365088968.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 869880563 - 2⁴ = 869880547 is a prime.

It is not a weakly prime, because it can be changed into another prime (869880533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434940281 + 434940282.

It is an arithmetic number, because the mean of its divisors is an integer number (434940282).

Almost surely, 2^869880563 is an apocalyptic number.

869880563 is a deficient number, since it is larger than the sum of its proper divisors (1).

869880563 is an equidigital number, since it uses as much as digits as its factorization.

869880563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 869880563 is about 29493.7376912456. The cubic root of 869880563 is about 954.5965833544.

The spelling of 869880563 in words is "eight hundred sixty-nine million, eight hundred eighty thousand, five hundred sixty-three".