87880472 has 32 divisors (see below), whose sum is σ = 174561600. Its totient is φ = 41360544.

The previous prime is 87880451. The next prime is 87880477. The reversal of 87880472 is 27408878.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87880477) 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, 23003 + ... + 26549.

It is an arithmetic number, because the mean of its divisors is an integer number (5455050).

Almost surely, 2^87880472 is an apocalyptic number.

It is an amenable number.

87880472 is a deficient number, since it is larger than the sum of its proper divisors (86681128).

87880472 is a wasteful number, since it uses less digits than its factorization.

87880472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735 (or 3731 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 87880472 is about 9374.4584910276. The cubic root of 87880472 is about 444.5945420997.

The spelling of 87880472 in words is "eighty-seven million, eight hundred eighty thousand, four hundred seventy-two".