82688923386 has 80 divisors (see below), whose sum is σ = 193423754304. Its totient is φ = 26353204416.

The previous prime is 82688923367. The next prime is 82688923393. The reversal of 82688923386 is 68332988628.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14614270 + ... + 14619926.

Almost surely, 2^82688923386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82688923386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96711877152).

82688923386 is an abundant number, since it is smaller than the sum of its proper divisors (110734830918).

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

82688923386 is a wasteful number, since it uses less digits than its factorization.

82688923386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9617 (or 9608 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 63.

It can be divided in two parts, 8268892 and 3386, that added together give a triangular number (8272278 = T₄₀₆₇).

The spelling of 82688923386 in words is "eighty-two billion, six hundred eighty-eight million, nine hundred twenty-three thousand, three hundred eighty-six".