87438022 has 16 divisors (see below), whose sum is σ = 152723232. Its totient is φ = 36766080.

The previous prime is 87438007. The next prime is 87438037. The reversal of 87438022 is 22083478.

It is an interprime number because it is at equal distance from previous prime (87438007) and next prime (87438037).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58179 + ... + 59662.

It is an arithmetic number, because the mean of its divisors is an integer number (9545202).

Almost surely, 2^87438022 is an apocalyptic number.

87438022 is a deficient number, since it is larger than the sum of its proper divisors (65285210).

87438022 is a wasteful number, since it uses less digits than its factorization.

87438022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117903.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 87438022 is about 9350.8300166349. The cubic root of 87438022 is about 443.8471560858.

The spelling of 87438022 in words is "eighty-seven million, four hundred thirty-eight thousand, twenty-two".