87023472 has 20 divisors (see below), whose sum is σ = 224810760. Its totient is φ = 29007808.

The previous prime is 87023471. The next prime is 87023483. The reversal of 87023472 is 27432078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87023471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906447 + ... + 906542.

It is an arithmetic number, because the mean of its divisors is an integer number (11240538).

Almost surely, 2^87023472 is an apocalyptic number.

It is an amenable number.

87023472 is an abundant number, since it is smaller than the sum of its proper divisors (137787288).

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

87023472 is a wasteful number, since it uses less digits than its factorization.

87023472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813000 (or 1812994 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 87023472 is about 9328.6371995056. The cubic root of 87023472 is about 443.1446074559.

It can be divided in two parts, 870 and 23472, that added together give a palindrome (24342).

The spelling of 87023472 in words is "eighty-seven million, twenty-three thousand, four hundred seventy-two".