870775399 has 8 divisors (see below), whose sum is σ = 968008832. Its totient is φ = 777863520.

The previous prime is 870775387. The next prime is 870775417. The reversal of 870775399 is 993577078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 870775399 - 2⁹ = 870774887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870775099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079964 + ... + 1080769.

It is an arithmetic number, because the mean of its divisors is an integer number (121001104).

Almost surely, 2^870775399 is an apocalyptic number.

870775399 is a deficient number, since it is larger than the sum of its proper divisors (97233433).

870775399 is a wasteful number, since it uses less digits than its factorization.

870775399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160777.

The product of its (nonzero) digits is 3333960, while the sum is 55.

The square root of 870775399 is about 29508.9037241305. The cubic root of 870775399 is about 954.9237986402.

The spelling of 870775399 in words is "eight hundred seventy million, seven hundred seventy-five thousand, three hundred ninety-nine".