87876491 has 8 divisors (see below), whose sum is σ = 93428640. Its totient is φ = 82468672.

The previous prime is 87876479. The next prime is 87876493. The reversal of 87876491 is 19467878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87876491 - 2⁶ = 87876427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87876493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34826 + ... + 37263.

It is an arithmetic number, because the mean of its divisors is an integer number (11678580).

Almost surely, 2^87876491 is an apocalyptic number.

87876491 is a deficient number, since it is larger than the sum of its proper divisors (5552149).

87876491 is a wasteful number, since it uses less digits than its factorization.

87876491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72165.

The product of its digits is 677376, while the sum is 50.

The square root of 87876491 is about 9374.2461563584. The cubic root of 87876491 is about 444.5878285960.

The spelling of 87876491 in words is "eighty-seven million, eight hundred seventy-six thousand, four hundred ninety-one".