87957738 has 48 divisors (see below), whose sum is σ = 215613216. Its totient is φ = 26652240.

The previous prime is 87957719. The next prime is 87957761. The reversal of 87957738 is 83775978.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2881 + ... + 13572.

It is an arithmetic number, because the mean of its divisors is an integer number (4491942).

Almost surely, 2^87957738 is an apocalyptic number.

87957738 is an abundant number, since it is smaller than the sum of its proper divisors (127655478).

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

87957738 is a wasteful number, since it uses less digits than its factorization.

87957738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16481 (or 16469 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The square root of 87957738 is about 9378.5786769638. The cubic root of 87957738 is about 444.7248022829.

The spelling of 87957738 in words is "eighty-seven million, nine hundred fifty-seven thousand, seven hundred thirty-eight".