870004799 has 4 divisors (see below), whose sum is σ = 872276736. Its totient is φ = 867732864.

The previous prime is 870004781. The next prime is 870004823. The reversal of 870004799 is 997400078.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 870004799 - 2²⁰ = 868956223 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 (870004769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135394 + ... + 1136159.

It is an arithmetic number, because the mean of its divisors is an integer number (218069184).

Almost surely, 2^870004799 is an apocalyptic number.

870004799 is a deficient number, since it is larger than the sum of its proper divisors (2271937).

870004799 is a wasteful number, since it uses less digits than its factorization.

870004799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271936.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 870004799 is about 29495.8437580619. The cubic root of 870004799 is about 954.6420262273.

The spelling of 870004799 in words is "eight hundred seventy million, four thousand, seven hundred ninety-nine".