87607938 has 32 divisors (see below), whose sum is σ = 192559680. Its totient is φ = 26351360.

The previous prime is 87607937. The next prime is 87607963. The reversal of 87607938 is 83970678.

It is a super-2 number, since 2×87607938² = 15350301601223688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87607931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4198 + ... + 13886.

It is an arithmetic number, because the mean of its divisors is an integer number (6017490).

Almost surely, 2^87607938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87607938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96279840).

87607938 is an abundant number, since it is smaller than the sum of its proper divisors (104951742).

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

87607938 is a wasteful number, since it uses less digits than its factorization.

87607938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9842.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 87607938 is about 9359.9112175277. The cubic root of 87607938 is about 444.1344755399.

The spelling of 87607938 in words is "eighty-seven million, six hundred seven thousand, nine hundred thirty-eight".