82975757806 has 16 divisors (see below), whose sum is σ = 124699898160. Its totient is φ = 41409164160.

The previous prime is 82975757801. The next prime is 82975757833. The reversal of 82975757806 is 60875757928.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82975757801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5837500 + ... + 5851696.

It is an arithmetic number, because the mean of its divisors is an integer number (7793743635).

Almost surely, 2^82975757806 is an apocalyptic number.

82975757806 is a deficient number, since it is larger than the sum of its proper divisors (41724140354).

82975757806 is a wasteful number, since it uses less digits than its factorization.

82975757806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19539.

The product of its (nonzero) digits is 59270400, while the sum is 64.

The spelling of 82975757806 in words is "eighty-two billion, nine hundred seventy-five million, seven hundred fifty-seven thousand, eight hundred six".