870458399 has 2 divisors, whose sum is σ = 870458400. Its totient is φ = 870458398.

The previous prime is 870458389. The next prime is 870458431. The reversal of 870458399 is 993854078.

870458399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 870458399 - 2⁸ = 870458143 is a prime.

It is a super-3 number, since 3×870458399³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 870458399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870458339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435229199 + 435229200.

It is an arithmetic number, because the mean of its divisors is an integer number (435229200).

Almost surely, 2^870458399 is an apocalyptic number.

870458399 is a deficient number, since it is larger than the sum of its proper divisors (1).

870458399 is an equidigital number, since it uses as much as digits as its factorization.

870458399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 870458399 is about 29503.5319750026. The cubic root of 870458399 is about 954.8079066872.

The spelling of 870458399 in words is "eight hundred seventy million, four hundred fifty-eight thousand, three hundred ninety-nine".