876157491 has 12 divisors (see below), whose sum is σ = 1284066056. Its totient is φ = 531004320.

The previous prime is 876157489. The next prime is 876157511. The reversal of 876157491 is 194751678.

It is not a de Polignac number, because 876157491 - 2¹ = 876157489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 876157491.

It is not an unprimeable number, because it can be changed into a prime (876157421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206466 + ... + 1207191.

Almost surely, 2^876157491 is an apocalyptic number.

876157491 is a deficient number, since it is larger than the sum of its proper divisors (407908565).

876157491 is a wasteful number, since it uses less digits than its factorization.

876157491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413682 (or 2413671 counting only the distinct ones).

The product of its digits is 423360, while the sum is 48.

The square root of 876157491 is about 29599.9576182129. The cubic root of 876157491 is about 956.8871580519.

The spelling of 876157491 in words is "eight hundred seventy-six million, one hundred fifty-seven thousand, four hundred ninety-one".