87635408 has 40 divisors (see below), whose sum is σ = 205468992. Its totient is φ = 35347968.

The previous prime is 87635407. The next prime is 87635423. The reversal of 87635408 is 80453678.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87635407) 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 7 ways as a sum of consecutive naturals, for example, 21110 + ... + 24917.

Almost surely, 2^87635408 is an apocalyptic number.

It is an amenable number.

87635408 is an abundant number, since it is smaller than the sum of its proper divisors (117833584).

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

87635408 is a wasteful number, since it uses less digits than its factorization.

87635408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46059 (or 46053 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 87635408 is about 9361.3785309643. The cubic root of 87635408 is about 444.1808910413.

The spelling of 87635408 in words is "eighty-seven million, six hundred thirty-five thousand, four hundred eight".