87369872 has 20 divisors (see below), whose sum is σ = 170362236. Its totient is φ = 43405440.

The previous prime is 87369869. The next prime is 87369883. The reversal of 87369872 is 27896378.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27709696 + 59660176 = 5264^2 + 7724^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87369872.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14879 + ... + 19902.

Almost surely, 2^87369872 is an apocalyptic number.

It is an amenable number.

87369872 is a deficient number, since it is larger than the sum of its proper divisors (82992364).

87369872 is a wasteful number, since it uses less digits than its factorization.

87369872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34946 (or 34940 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 87369872 is about 9347.1852447675. The cubic root of 87369872 is about 443.7318132598.

The spelling of 87369872 in words is "eighty-seven million, three hundred sixty-nine thousand, eight hundred seventy-two".