87232772 has 18 divisors (see below), whose sum is σ = 167797854. Its totient is φ = 39651040.

The previous prime is 87232771. The next prime is 87232793. The reversal of 87232772 is 27723278.

It can be written as a sum of positive squares in only one way, i.e., 74373376 + 12859396 = 8624^2 + 3586^2 .

It is not an unprimeable number, because it can be changed into a prime (87232771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89633 + ... + 90600.

It is an arithmetic number, because the mean of its divisors is an integer number (9322103).

Almost surely, 2^87232772 is an apocalyptic number.

It is an amenable number.

87232772 is a deficient number, since it is larger than the sum of its proper divisors (80565082).

87232772 is a wasteful number, since it uses less digits than its factorization.

87232772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180259 (or 180246 counting only the distinct ones).

The product of its digits is 65856, while the sum is 38.

The square root of 87232772 is about 9339.8486069101. The cubic root of 87232772 is about 443.4995917900.

The spelling of 87232772 in words is "eighty-seven million, two hundred thirty-two thousand, seven hundred seventy-two".