82776912798 has 32 divisors (see below), whose sum is σ = 169241425920. Its totient is φ = 26982602240.

The previous prime is 82776912797. The next prime is 82776912811. The reversal of 82776912798 is 89721967728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82776912797) 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, 544515 + ... + 679742.

It is an arithmetic number, because the mean of its divisors is an integer number (5288794560).

Almost surely, 2^82776912798 is an apocalyptic number.

82776912798 is an abundant number, since it is smaller than the sum of its proper divisors (86464513122).

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

82776912798 is a wasteful number, since it uses less digits than its factorization.

82776912798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224512.

The product of its digits is 42674688, while the sum is 66.

The spelling of 82776912798 in words is "eighty-two billion, seven hundred seventy-six million, nine hundred twelve thousand, seven hundred ninety-eight".