870897701959 has 2 divisors, whose sum is σ = 870897701960. Its totient is φ = 870897701958.

The previous prime is 870897701939. The next prime is 870897701969. The reversal of 870897701959 is 959107798078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 870897701959 - 2¹³ = 870897693767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870897701929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435448850979 + 435448850980.

It is an arithmetic number, because the mean of its divisors is an integer number (435448850980).

Almost surely, 2^870897701959 is an apocalyptic number.

870897701959 is a deficient number, since it is larger than the sum of its proper divisors (1).

870897701959 is an equidigital number, since it uses as much as digits as its factorization.

870897701959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80015040, while the sum is 70.

The spelling of 870897701959 in words is "eight hundred seventy billion, eight hundred ninety-seven million, seven hundred one thousand, nine hundred fifty-nine".