870876993 has 16 divisors (see below), whose sum is σ = 1349544960. Its totient is φ = 489208656.

The previous prime is 870876977. The next prime is 870876997. The reversal of 870876993 is 399678078.

It is not a de Polignac number, because 870876993 - 2⁴ = 870876977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870876997) 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, 350205 + ... + 352682.

It is an arithmetic number, because the mean of its divisors is an integer number (84346560).

Almost surely, 2^870876993 is an apocalyptic number.

It is an amenable number.

870876993 is a deficient number, since it is larger than the sum of its proper divisors (478667967).

870876993 is a wasteful number, since it uses less digits than its factorization.

870876993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702956.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 870876993 is about 29510.6250865684. The cubic root of 870876993 is about 954.9609344143.

The spelling of 870876993 in words is "eight hundred seventy million, eight hundred seventy-six thousand, nine hundred ninety-three".