80538175680 has 224 divisors, whose sum is σ = 258985073088. Its totient is φ = 21202944000.

The previous prime is 80538175649. The next prime is 80538175771. The reversal of 80538175680 is 8657183508.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40819174 + ... + 40821146.

It is an arithmetic number, because the mean of its divisors is an integer number (1156183362).

Almost surely, 2^80538175680 is an apocalyptic number.

80538175680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80538175680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129492536544).

80538175680 is an abundant number, since it is smaller than the sum of its proper divisors (178446897408).

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

80538175680 is a wasteful number, since it uses less digits than its factorization.

80538175680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515 (or 2505 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 80538175680 in words is "eighty billion, five hundred thirty-eight million, one hundred seventy-five thousand, six hundred eighty".