870577317 has 6 divisors (see below), whose sum is σ = 1257500582. Its totient is φ = 580384872.

The previous prime is 870577307. The next prime is 870577339. The reversal of 870577317 is 713775078.

870577317 is a `hidden beast` number, since 8 + 70 + 577 + 3 + 1 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 751527396 + 119049921 = 27414^2 + 10911^2 .

It is not a de Polignac number, because 870577317 - 2⁷ = 870577189 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 (870577307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48365398 + ... + 48365415.

Almost surely, 2^870577317 is an apocalyptic number.

It is an amenable number.

870577317 is a deficient number, since it is larger than the sum of its proper divisors (386923265).

870577317 is a wasteful number, since it uses less digits than its factorization.

870577317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96730819 (or 96730816 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 45.

The square root of 870577317 is about 29505.5472242085. The cubic root of 870577317 is about 954.8513851871.

The spelling of 870577317 in words is "eight hundred seventy million, five hundred seventy-seven thousand, three hundred seventeen".