87337540 has 24 divisors (see below), whose sum is σ = 189326592. Its totient is φ = 33807840.

The previous prime is 87337513. The next prime is 87337541. The reversal of 87337540 is 4573378.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 87337540.

It is not an unprimeable number, because it can be changed into a prime (87337541) 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 7 ways as a sum of consecutive naturals, for example, 69814 + ... + 71053.

It is an arithmetic number, because the mean of its divisors is an integer number (7888608).

Almost surely, 2^87337540 is an apocalyptic number.

It is an amenable number.

87337540 is an abundant number, since it is smaller than the sum of its proper divisors (101989052).

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

87337540 is a wasteful number, since it uses less digits than its factorization.

87337540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140907 (or 140905 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 87337540 is about 9345.4555801202. The cubic root of 87337540 is about 443.6770708689.

The spelling of 87337540 in words is "eighty-seven million, three hundred thirty-seven thousand, five hundred forty".