87636126 has 16 divisors (see below), whose sum is σ = 175365504. Its totient is φ = 29196504.

The previous prime is 87636097. The next prime is 87636127. The reversal of 87636126 is 62163678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87636127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16831 + ... + 21413.

It is an arithmetic number, because the mean of its divisors is an integer number (10960344).

Almost surely, 2^87636126 is an apocalyptic number.

87636126 is an abundant number, since it is smaller than the sum of its proper divisors (87729378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87636126 is a wasteful number, since it uses less digits than its factorization.

87636126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775.

The product of its digits is 72576, while the sum is 39.

The square root of 87636126 is about 9361.4168799386. The cubic root of 87636126 is about 444.1821041012.

The spelling of 87636126 in words is "eighty-seven million, six hundred thirty-six thousand, one hundred twenty-six".