87438363 has 16 divisors (see below), whose sum is σ = 122662176. Its totient is φ = 55330560.

The previous prime is 87438359. The next prime is 87438391. The reversal of 87438363 is 36383478.

It is not a de Polignac number, because 87438363 - 2² = 87438359 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (87438353) 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 15 ways as a sum of consecutive naturals, for example, 5056 + ... + 14157.

It is an arithmetic number, because the mean of its divisors is an integer number (7666386).

Almost surely, 2^87438363 is an apocalyptic number.

87438363 is a deficient number, since it is larger than the sum of its proper divisors (35223813).

87438363 is a wasteful number, since it uses less digits than its factorization.

87438363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19294.

The product of its digits is 290304, while the sum is 42.

The square root of 87438363 is about 9350.8482502926. The cubic root of 87438363 is about 443.8477330723.

The spelling of 87438363 in words is "eighty-seven million, four hundred thirty-eight thousand, three hundred sixty-three".