87397630 has 16 divisors (see below), whose sum is σ = 157744224. Its totient is φ = 34863840.

The previous prime is 87397591. The next prime is 87397633. The reversal of 87397630 is 3679378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87397633) 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, 7986 + ... + 15445.

It is an arithmetic number, because the mean of its divisors is an integer number (9859014).

Almost surely, 2^87397630 is an apocalyptic number.

87397630 is a deficient number, since it is larger than the sum of its proper divisors (70346594).

87397630 is a wasteful number, since it uses less digits than its factorization.

87397630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23811.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 87397630 is about 9348.6699588765. The cubic root of 87397630 is about 443.7788004848.

The spelling of 87397630 in words is "eighty-seven million, three hundred ninety-seven thousand, six hundred thirty".