87887372 has 24 divisors (see below), whose sum is σ = 157257072. Its totient is φ = 42968000.

The previous prime is 87887353. The next prime is 87887377. The reversal of 87887372 is 27378878.

It is a self number, because there is not a number n which added to its sum of digits gives 87887372.

It is not an unprimeable number, because it can be changed into a prime (87887377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32222 + ... + 34842.

It is an arithmetic number, because the mean of its divisors is an integer number (6552378).

Almost surely, 2^87887372 is an apocalyptic number.

It is an amenable number.

87887372 is a deficient number, since it is larger than the sum of its proper divisors (69369700).

87887372 is a wasteful number, since it uses less digits than its factorization.

87887372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809 (or 2807 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 50.

The square root of 87887372 is about 9374.8265050613. The cubic root of 87887372 is about 444.6061776845.

The spelling of 87887372 in words is "eighty-seven million, eight hundred eighty-seven thousand, three hundred seventy-two".