87538022 has 32 divisors (see below), whose sum is σ = 155361024. Its totient is φ = 36468000.

The previous prime is 87537991. The next prime is 87538027. The reversal of 87538022 is 22083578.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87538027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42173 + ... + 44199.

It is an arithmetic number, because the mean of its divisors is an integer number (4855032).

Almost surely, 2^87538022 is an apocalyptic number.

87538022 is a deficient number, since it is larger than the sum of its proper divisors (67823002).

87538022 is a wasteful number, since it uses less digits than its factorization.

87538022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 87538022 is about 9356.1756075867. The cubic root of 87538022 is about 444.0162961040.

The spelling of 87538022 in words is "eighty-seven million, five hundred thirty-eight thousand, twenty-two".