87512137867088 has 40 divisors (see below), whose sum is σ = 184998064812480. Its totient is φ = 39771958903040.

The previous prime is 87512137867067. The next prime is 87512137867103. The reversal of 87512137867088 is 88076873121578.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 38167820 + ... + 40395627.

It is an arithmetic number, because the mean of its divisors is an integer number (4624951620312).

Almost surely, 2^{87512137867088} is an apocalyptic number.

87512137867088 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

87512137867088 is an abundant number, since it is smaller than the sum of its proper divisors (97485926945392).

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

87512137867088 is a wasteful number, since it uses less digits than its factorization.

87512137867088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78569795 (or 78569789 counting only the distinct ones).

The product of its (nonzero) digits is 252887040, while the sum is 71.

The spelling of 87512137867088 in words is "eighty-seven trillion, five hundred twelve billion, one hundred thirty-seven million, eight hundred sixty-seven thousand, eighty-eight".