87305178172576 has 144 divisors (see below), whose sum is σ = 223267229587584. Its totient is φ = 32720505942528.

The previous prime is 87305178172559. The next prime is 87305178172603. The reversal of 87305178172576 is 67527187150378.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40473940 + ... + 42576403.

It is an arithmetic number, because the mean of its divisors is an integer number (1550466872136).

Almost surely, 2^{87305178172576} is an apocalyptic number.

It is an amenable number.

87305178172576 is an abundant number, since it is smaller than the sum of its proper divisors (135962051415008).

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

87305178172576 is a wasteful number, since it uses less digits than its factorization.

87305178172576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83050411 (or 83050384 counting only the distinct ones).

The product of its (nonzero) digits is 138297600, while the sum is 67.

The spelling of 87305178172576 in words is "eighty-seven trillion, three hundred five billion, one hundred seventy-eight million, one hundred seventy-two thousand, five hundred seventy-six".