983855998080 has 256 divisors, whose sum is σ = 3689461094400. Its totient is φ = 246928490496.

The previous prime is 983855998079. The next prime is 983855998109. The reversal of 983855998080 is 80899558389.

983855998080 is a `hidden beast` number, since 9 + 8 + 385 + 5 + 99 + 80 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 1380832 + ... + 1968351.

It is an arithmetic number, because the mean of its divisors is an integer number (14411957400).

Almost surely, 2^983855998080 is an apocalyptic number.

983855998080 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

983855998080 is an abundant number, since it is smaller than the sum of its proper divisors (2705605096320).

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

983855998080 is a wasteful number, since it uses less digits than its factorization.

983855998080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349228 (or 3349210 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 72.

The spelling of 983855998080 in words is "nine hundred eighty-three billion, eight hundred fifty-five million, nine hundred ninety-eight thousand, eighty".