870364867 has 2 divisors, whose sum is σ = 870364868. Its totient is φ = 870364866.

The previous prime is 870364843. The next prime is 870364871. The reversal of 870364867 is 768463078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 870364867 - 2⁷ = 870364739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 870364867.

It is not a weakly prime, because it can be changed into another prime (870364667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435182433 + 435182434.

It is an arithmetic number, because the mean of its divisors is an integer number (435182434).

Almost surely, 2^870364867 is an apocalyptic number.

870364867 is a deficient number, since it is larger than the sum of its proper divisors (1).

870364867 is an equidigital number, since it uses as much as digits as its factorization.

870364867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 870364867 is about 29501.9468340650. The cubic root of 870364867 is about 954.7737069704.

The spelling of 870364867 in words is "eight hundred seventy million, three hundred sixty-four thousand, eight hundred sixty-seven".