870808373 has 2 divisors, whose sum is σ = 870808374. Its totient is φ = 870808372.

The previous prime is 870808327. The next prime is 870808423. The reversal of 870808373 is 373808078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 868009444 + 2798929 = 29462^2 + 1673^2 .

It is a cyclic number.

It is not a de Polignac number, because 870808373 - 2⁸ = 870808117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870828373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435404186 + 435404187.

It is an arithmetic number, because the mean of its divisors is an integer number (435404187).

Almost surely, 2^870808373 is an apocalyptic number.

It is an amenable number.

870808373 is a deficient number, since it is larger than the sum of its proper divisors (1).

870808373 is an equidigital number, since it uses as much as digits as its factorization.

870808373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 870808373 is about 29509.4624315659. The cubic root of 870808373 is about 954.9358519817.

The spelling of 870808373 in words is "eight hundred seventy million, eight hundred eight thousand, three hundred seventy-three".