87044176056 has 64 divisors (see below), whose sum is σ = 229418438400. Its totient is φ = 27445056768.

The previous prime is 87044176001. The next prime is 87044176061. The reversal of 87044176056 is 65067144078.

It is a junction number, because it is equal to n+sod(n) for n = 87044175996 and 87044176014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147516 + ... + 442548.

It is an arithmetic number, because the mean of its divisors is an integer number (3584663100).

Almost surely, 2^87044176056 is an apocalyptic number.

It is a pronic number, being equal to 295032×295033.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87044176056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114709219200).

87044176056 is an abundant number, since it is smaller than the sum of its proper divisors (142374262344).

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

87044176056 is a wasteful number, since it uses less digits than its factorization.

87044176056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295708 (or 295704 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 87044176056 in words is "eighty-seven billion, forty-four million, one hundred seventy-six thousand, fifty-six".