83396797956 has 36 divisors (see below), whose sum is σ = 211553505072. Its totient is φ = 27700699824.

The previous prime is 83396797901. The next prime is 83396798071. The reversal of 83396797956 is 65979769338.

83396797956 is a `hidden beast` number, since 83 + 396 + 79 + 7 + 95 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4082706 + ... + 4103081.

It is an arithmetic number, because the mean of its divisors is an integer number (5876486252).

Almost surely, 2^83396797956 is an apocalyptic number.

It is an amenable number.

83396797956 is an abundant number, since it is smaller than the sum of its proper divisors (128156707116).

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

83396797956 is a wasteful number, since it uses less digits than its factorization.

83396797956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8186080 (or 8186075 counting only the distinct ones).

The product of its digits is 462944160, while the sum is 72.

The spelling of 83396797956 in words is "eighty-three billion, three hundred ninety-six million, seven hundred ninety-seven thousand, nine hundred fifty-six".