87800472 has 48 divisors (see below), whose sum is σ = 241703280. Its totient is φ = 28785600.

The previous prime is 87800459. The next prime is 87800491. The reversal of 87800472 is 27400878.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5604 + ... + 14387.

It is an arithmetic number, because the mean of its divisors is an integer number (5035485).

Almost surely, 2^87800472 is an apocalyptic number.

It is an amenable number.

87800472 is an abundant number, since it is smaller than the sum of its proper divisors (153902808).

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

87800472 is a wasteful number, since it uses less digits than its factorization.

87800472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20064 (or 20057 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 87800472 is about 9370.1906063858. The cubic root of 87800472 is about 444.4595922800.

The spelling of 87800472 in words is "eighty-seven million, eight hundred thousand, four hundred seventy-two".