870553317 has 8 divisors (see below), whose sum is σ = 1185434496. Its totient is φ = 568020512.

The previous prime is 870553273. The next prime is 870553337. The reversal of 870553317 is 713355078.

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 870553317 - 2²⁴ = 853776101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870553337) 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, 3086928 + ... + 3087209.

It is an arithmetic number, because the mean of its divisors is an integer number (148179312).

Almost surely, 2^870553317 is an apocalyptic number.

It is an amenable number.

870553317 is a deficient number, since it is larger than the sum of its proper divisors (314881179).

870553317 is a wasteful number, since it uses less digits than its factorization.

870553317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174187.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 870553317 is about 29505.1405182216. The cubic root of 870553317 is about 954.8426106864.

The spelling of 870553317 in words is "eight hundred seventy million, five hundred fifty-three thousand, three hundred seventeen".