870938567 has 4 divisors (see below), whose sum is σ = 876153936. Its totient is φ = 865723200.

The previous prime is 870938557. The next prime is 870938569. The reversal of 870938567 is 765839078.

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 870938567 - 2⁸ = 870938311 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 (870938569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2607434 + ... + 2607767.

It is an arithmetic number, because the mean of its divisors is an integer number (219038484).

Almost surely, 2^870938567 is an apocalyptic number.

870938567 is a deficient number, since it is larger than the sum of its proper divisors (5215369).

870938567 is a wasteful number, since it uses less digits than its factorization.

870938567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215368.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 870938567 is about 29511.6683194970. The cubic root of 870938567 is about 954.9834402253.

The spelling of 870938567 in words is "eight hundred seventy million, nine hundred thirty-eight thousand, five hundred sixty-seven".