87369428 has 24 divisors (see below), whose sum is σ = 157248000. Its totient is φ = 42454688.

The previous prime is 87369419. The next prime is 87369449. The reversal of 87369428 is 82496378.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 26453 + ... + 29571.

It is an arithmetic number, because the mean of its divisors is an integer number (6552000).

Almost surely, 2^87369428 is an apocalyptic number.

It is an amenable number.

87369428 is a deficient number, since it is larger than the sum of its proper divisors (69878572).

87369428 is a wasteful number, since it uses less digits than its factorization.

87369428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319 (or 3317 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 87369428 is about 9347.1614942719. The cubic root of 87369428 is about 443.7310616000.

The spelling of 87369428 in words is "eighty-seven million, three hundred sixty-nine thousand, four hundred twenty-eight".