80964474500 has 192 divisors, whose sum is σ = 218870346240. Its totient is φ = 25478208000.

The previous prime is 80964474473. The next prime is 80964474509. The reversal of 80964474500 is 547446908.

It is a super-2 number, since 2×80964474500² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80964474509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8139530 + ... + 8149470.

It is an arithmetic number, because the mean of its divisors is an integer number (1139949720).

Almost surely, 2^80964474500 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 80964474500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109435173120).

80964474500 is an abundant number, since it is smaller than the sum of its proper divisors (137905871740).

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

80964474500 is a wasteful number, since it uses less digits than its factorization.

80964474500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10159 (or 10147 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 80964474500 in words is "eighty billion, nine hundred sixty-four million, four hundred seventy-four thousand, five hundred".