80837856000 has 1728 divisors, whose sum is σ = 358148044800. Its totient is φ = 17252352000.

The previous prime is 80837855941. The next prime is 80837856007. The reversal of 80837856000 is 65873808.

80837856000 is a `hidden beast` number, since 8 + 0 + 8 + 37 + 8 + 5 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (80837856007) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1023263961 + ... + 1023264039.

It is an arithmetic number, because the mean of its divisors is an integer number (207261600).

Almost surely, 2^80837856000 is an apocalyptic number.

80837856000 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 80837856000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179074022400).

80837856000 is an abundant number, since it is smaller than the sum of its proper divisors (277310188800).

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

80837856000 is a wasteful number, since it uses less digits than its factorization.

80837856000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 80837856000 in words is "eighty billion, eight hundred thirty-seven million, eight hundred fifty-six thousand".