80689627500 has 240 divisors, whose sum is σ = 249893508480. Its totient is φ = 20200320000.

The previous prime is 80689627411. The next prime is 80689627523. The reversal of 80689627500 is 572698608.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16099995 + ... + 16105005.

It is an arithmetic number, because the mean of its divisors is an integer number (1041222952).

Almost surely, 2^80689627500 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 80689627500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124946754240).

80689627500 is an abundant number, since it is smaller than the sum of its proper divisors (169203880980).

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

80689627500 is a wasteful number, since it uses less digits than its factorization.

80689627500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5170 (or 5153 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 80689627500 in words is "eighty billion, six hundred eighty-nine million, six hundred twenty-seven thousand, five hundred".