87372333042644 has 24 divisors (see below), whose sum is σ = 170341285908360. Its totient is φ = 38935151063424.

The previous prime is 87372333042571. The next prime is 87372333042671. The reversal of 87372333042644 is 44624033327378.

It can be written as a sum of positive squares in 4 ways, for example, as 162658956100 + 87209674086544 = 403310^2 + 9338612^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87372333042644.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28969604939 + ... + 28969607954.

It is an arithmetic number, because the mean of its divisors is an integer number (7097553579515).

Almost surely, 2^{87372333042644} is an apocalyptic number.

It is an amenable number.

87372333042644 is a deficient number, since it is larger than the sum of its proper divisors (82968952865716).

87372333042644 is a wasteful number, since it uses less digits than its factorization.

87372333042644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57939212939 (or 57939212937 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 56.

The spelling of 87372333042644 in words is "eighty-seven trillion, three hundred seventy-two billion, three hundred thirty-three million, forty-two thousand, six hundred forty-four".