870464827 has 2 divisors, whose sum is σ = 870464828. Its totient is φ = 870464826.

The previous prime is 870464807. The next prime is 870464851. The reversal of 870464827 is 728464078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 870464827 - 2²³ = 862076219 is a prime.

It is not a weakly prime, because it can be changed into another prime (870464807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435232413 + 435232414.

It is an arithmetic number, because the mean of its divisors is an integer number (435232414).

Almost surely, 2^870464827 is an apocalyptic number.

870464827 is a deficient number, since it is larger than the sum of its proper divisors (1).

870464827 is an equidigital number, since it uses as much as digits as its factorization.

870464827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 870464827 is about 29503.6409109113. The cubic root of 870464827 is about 954.8102569776.

The spelling of 870464827 in words is "eight hundred seventy million, four hundred sixty-four thousand, eight hundred twenty-seven".