87512724278632 has 8 divisors (see below), whose sum is σ = 164086358022450. Its totient is φ = 43756362139312.

The previous prime is 87512724278587. The next prime is 87512724278657. The reversal of 87512724278632 is 23687242721578.

It can be written as a sum of positive squares in only one way, i.e., 84504740481316 + 3007983797316 = 9192646^2 + 1734354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5469545267407 + ... + 5469545267422.

Almost surely, 2^{87512724278632} is an apocalyptic number.

It is an amenable number.

87512724278632 is a deficient number, since it is larger than the sum of its proper divisors (76573633743818).

87512724278632 is a wasteful number, since it uses less digits than its factorization.

87512724278632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10939090534835 (or 10939090534831 counting only the distinct ones).

The product of its digits is 126443520, while the sum is 64.

The spelling of 87512724278632 in words is "eighty-seven trillion, five hundred twelve billion, seven hundred twenty-four million, two hundred seventy-eight thousand, six hundred thirty-two".