87231464 has 16 divisors (see below), whose sum is σ = 166241220. Its totient is φ = 42900480.

The previous prime is 87231407. The next prime is 87231491. The reversal of 87231464 is 46413278.

It can be written as a sum of positive squares in 2 ways, for example, as 59752900 + 27478564 = 7730^2 + 5242^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88889 + ... + 89864.

Almost surely, 2^87231464 is an apocalyptic number.

It is an amenable number.

87231464 is a deficient number, since it is larger than the sum of its proper divisors (79009756).

87231464 is a wasteful number, since it uses less digits than its factorization.

87231464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178820 (or 178816 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 87231464 is about 9339.7785840993. The cubic root of 87231464 is about 443.4973751141.

The spelling of 87231464 in words is "eighty-seven million, two hundred thirty-one thousand, four hundred sixty-four".