80782557508000 has 48 divisors (see below), whose sum is σ = 198482743806984. Its totient is φ = 32313023001600.

The previous prime is 80782557507979. The next prime is 80782557508039. The reversal of 80782557508000 is 80575528708.

It can be written as a sum of positive squares in 4 ways, for example, as 30101770034064 + 50680787473936 = 5486508^2 + 7119044^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10097815689 + ... + 10097823688.

Almost surely, 2^{80782557508000} is an apocalyptic number.

80782557508000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80782557508000 is an abundant number, since it is smaller than the sum of its proper divisors (117700186298984).

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

80782557508000 is a wasteful number, since it uses less digits than its factorization.

80782557508000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20195639402 (or 20195639384 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 55.

The spelling of 80782557508000 in words is "eighty trillion, seven hundred eighty-two billion, five hundred fifty-seven million, five hundred eight thousand".