87636422 has 8 divisors (see below), whose sum is σ = 131496816. Its totient is φ = 43804152.

The previous prime is 87636397. The next prime is 87636433. The reversal of 87636422 is 22463678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4628 + ... + 14024.

It is an arithmetic number, because the mean of its divisors is an integer number (16437102).

Almost surely, 2^87636422 is an apocalyptic number.

87636422 is a deficient number, since it is larger than the sum of its proper divisors (43860394).

87636422 is a wasteful number, since it uses less digits than its factorization.

87636422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14062.

The product of its digits is 96768, while the sum is 38.

The square root of 87636422 is about 9361.4326894979. The cubic root of 87636422 is about 444.1826041909.

The spelling of 87636422 in words is "eighty-seven million, six hundred thirty-six thousand, four hundred twenty-two".