83047945680 has 200 divisors, whose sum is σ = 329643401472. Its totient is φ = 18982377216.

The previous prime is 83047945661. The next prime is 83047945693. The reversal of 83047945680 is 8654974038.

83047945680 is a `hidden beast` number, since 8 + 3 + 0 + 4 + 79 + 4 + 568 + 0 = 666.

It is a super-2 number, since 2×83047945680² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 870072 + ... + 960791.

Almost surely, 2^83047945680 is an apocalyptic number.

83047945680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83047945680 is an abundant number, since it is smaller than the sum of its proper divisors (246595455792).

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

83047945680 is a wasteful number, since it uses less digits than its factorization.

83047945680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830895 (or 1830880 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 83047945680 in words is "eighty-three billion, forty-seven million, nine hundred forty-five thousand, six hundred eighty".