87631883 has 8 divisors (see below), whose sum is σ = 89892096. Its totient is φ = 85377600.

The previous prime is 87631879. The next prime is 87631891. The reversal of 87631883 is 38813678.

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 87631883 - 2² = 87631879 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87631813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58838 + ... + 60308.

It is an arithmetic number, because the mean of its divisors is an integer number (11236512).

Almost surely, 2^87631883 is an apocalyptic number.

87631883 is a deficient number, since it is larger than the sum of its proper divisors (2260213).

87631883 is a wasteful number, since it uses less digits than its factorization.

87631883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965.

The product of its digits is 193536, while the sum is 44.

The square root of 87631883 is about 9361.1902555177. The cubic root of 87631883 is about 444.1749354629.

The spelling of 87631883 in words is "eighty-seven million, six hundred thirty-one thousand, eight hundred eighty-three".