83097476778 has 16 divisors (see below), whose sum is σ = 166573535040. Its totient is φ = 27636062016.

The previous prime is 83097476767. The next prime is 83097476783. The reversal of 83097476778 is 87767479038.

It is a super-3 number, since 3×83097476778³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15771375 + ... + 15776642.

It is an arithmetic number, because the mean of its divisors is an integer number (10410845940).

Almost surely, 2^83097476778 is an apocalyptic number.

83097476778 is an abundant number, since it is smaller than the sum of its proper divisors (83476058262).

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

83097476778 is a wasteful number, since it uses less digits than its factorization.

83097476778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31548461.

The product of its (nonzero) digits is 99574272, while the sum is 66.

The spelling of 83097476778 in words is "eighty-three billion, ninety-seven million, four hundred seventy-six thousand, seven hundred seventy-eight".