83351766856 has 64 divisors (see below), whose sum is σ = 160982300160. Its totient is φ = 40439520000.

The previous prime is 83351766851. The next prime is 83351766889. The reversal of 83351766856 is 65866715338.

It is a self number, because there is not a number n which added to its sum of digits gives 83351766856.

It is not an unprimeable number, because it can be changed into a prime (83351766851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37527826 + ... + 37530046.

It is an arithmetic number, because the mean of its divisors is an integer number (2515348440).

Almost surely, 2^83351766856 is an apocalyptic number.

It is an amenable number.

83351766856 is a deficient number, since it is larger than the sum of its proper divisors (77630533304).

83351766856 is a wasteful number, since it uses less digits than its factorization.

83351766856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086 (or 3082 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 83351766856 in words is "eighty-three billion, three hundred fifty-one million, seven hundred sixty-six thousand, eight hundred fifty-six".