870435260887 has 2 divisors, whose sum is σ = 870435260888. Its totient is φ = 870435260886.

The previous prime is 870435260719. The next prime is 870435260909. The reversal of 870435260887 is 788062534078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 870435260887 - 2³⁵ = 836075522519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870435264887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435217630443 + 435217630444.

It is an arithmetic number, because the mean of its divisors is an integer number (435217630444).

Almost surely, 2^870435260887 is an apocalyptic number.

870435260887 is a deficient number, since it is larger than the sum of its proper divisors (1).

870435260887 is an equidigital number, since it uses as much as digits as its factorization.

870435260887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 870435260887 in words is "eight hundred seventy billion, four hundred thirty-five million, two hundred sixty thousand, eight hundred eighty-seven".