876791993 has 64 divisors (see below), whose sum is σ = 1220935680. Its totient is φ = 608731200.

The previous prime is 876791989. The next prime is 876791999. The reversal of 876791993 is 399197678.

It is not a de Polignac number, because 876791993 - 2² = 876791989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (876791999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2388896 + ... + 2389262.

It is an arithmetic number, because the mean of its divisors is an integer number (19077120).

Almost surely, 2^876791993 is an apocalyptic number.

It is an amenable number.

876791993 is a deficient number, since it is larger than the sum of its proper divisors (344143687).

876791993 is a wasteful number, since it uses less digits than its factorization.

876791993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its digits is 5143824, while the sum is 59.

The square root of 876791993 is about 29610.6736329993. The cubic root of 876791993 is about 957.1180907773.

The spelling of 876791993 in words is "eight hundred seventy-six million, seven hundred ninety-one thousand, nine hundred ninety-three".