870800447 has 16 divisors (see below), whose sum is σ = 1023252480. Its totient is φ = 732784800.

The previous prime is 870800431. The next prime is 870800449. The reversal of 870800447 is 744008078.

It is not a de Polignac number, because 870800447 - 2⁴ = 870800431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 870800447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870800449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47672 + ... + 63357.

It is an arithmetic number, because the mean of its divisors is an integer number (63953280).

Almost surely, 2^870800447 is an apocalyptic number.

870800447 is a deficient number, since it is larger than the sum of its proper divisors (152452033).

870800447 is a wasteful number, since it uses less digits than its factorization.

870800447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111094.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 870800447 is about 29509.3281353541. The cubic root of 870800447 is about 954.9329547333.

The spelling of 870800447 in words is "eight hundred seventy million, eight hundred thousand, four hundred forty-seven".