80716009500 has 432 divisors, whose sum is σ = 303128777952. Its totient is φ = 18018201600.

The previous prime is 80716009499. The next prime is 80716009547. The reversal of 80716009500 is 590061708.

80716009500 is a `hidden beast` number, since 80 + 71 + 6 + 0 + 0 + 9 + 500 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9477244 + ... + 9485756.

It is an arithmetic number, because the mean of its divisors is an integer number (701686986).

Almost surely, 2^80716009500 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 80716009500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151564388976).

80716009500 is an abundant number, since it is smaller than the sum of its proper divisors (222412768452).

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

80716009500 is a wasteful number, since it uses less digits than its factorization.

80716009500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8595 (or 8573 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 80716009500 in words is "eighty billion, seven hundred sixteen million, nine thousand, five hundred".