215678883 has 16 divisors (see below), whose sum is σ = 337537280. Its totient is φ = 119913696.

The previous prime is 215678857. The next prime is 215678917. The reversal of 215678883 is 388876512.

It is not a de Polignac number, because 215678883 - 2²² = 211484579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215678803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138013 + ... + 139566.

It is an arithmetic number, because the mean of its divisors is an integer number (21096080).

Almost surely, 2^215678883 is an apocalyptic number.

215678883 is a deficient number, since it is larger than the sum of its proper divisors (121858397).

215678883 is a wasteful number, since it uses less digits than its factorization.

215678883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277626.

The product of its digits is 645120, while the sum is 48.

The square root of 215678883 is about 14686.0097712074. The cubic root of 215678883 is about 599.7025219802.

The spelling of 215678883 in words is "two hundred fifteen million, six hundred seventy-eight thousand, eight hundred eighty-three".