80537372064 has 480 divisors, whose sum is σ = 261343272960. Its totient is φ = 24233126400.

The previous prime is 80537372053. The next prime is 80537372081. The reversal of 80537372064 is 46027373508.

80537372064 is a `hidden beast` number, since 8 + 0 + 537 + 37 + 20 + 64 = 666.

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, 108394477 + ... + 108395219.

It is an arithmetic number, because the mean of its divisors is an integer number (544465152).

Almost surely, 2^80537372064 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 80537372064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130671636480).

80537372064 is an abundant number, since it is smaller than the sum of its proper divisors (180805900896).

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

80537372064 is a wasteful number, since it uses less digits than its factorization.

80537372064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 80537372064 in words is "eighty billion, five hundred thirty-seven million, three hundred seventy-two thousand, sixty-four".