87044136543104 has 32 divisors (see below), whose sum is σ = 186747336216840. Its totient is φ = 40174216865280.

The previous prime is 87044136543103. The next prime is 87044136543113. The reversal of 87044136543104 is 40134563144078.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87044136543103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26155087442 + ... + 26155090769.

Almost surely, 2^{87044136543104} is an apocalyptic number.

It is an amenable number.

87044136543104 is an abundant number, since it is smaller than the sum of its proper divisors (99703199673736).

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

87044136543104 is a wasteful number, since it uses less digits than its factorization.

87044136543104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52310178238 (or 52310178226 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 87044136543104 in words is "eighty-seven trillion, forty-four billion, one hundred thirty-six million, five hundred forty-three thousand, one hundred four".