80001871560 has 512 divisors, whose sum is σ = 300551731200. Its totient is φ = 18797322240.

The previous prime is 80001871529. The next prime is 80001871603. The reversal of 80001871560 is 6517810008.

80001871560 is a `hidden beast` number, since 80 + 0 + 0 + 18 + 7 + 1 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27053602 + ... + 27056558.

It is an arithmetic number, because the mean of its divisors is an integer number (587015100).

Almost surely, 2^80001871560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80001871560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150275865600).

80001871560 is an abundant number, since it is smaller than the sum of its proper divisors (220549859640).

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

80001871560 is a wasteful number, since it uses less digits than its factorization.

80001871560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078 (or 3068 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 80001871560 in words is "eighty billion, one million, eight hundred seventy-one thousand, five hundred sixty".