68696888832 has 1280 divisors, whose sum is σ = 263983104000. Its totient is φ = 17318707200.

The previous prime is 68696888807. The next prime is 68696888849. The reversal of 68696888832 is 23888869686.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1164354019 + ... + 1164354077.

It is an arithmetic number, because the mean of its divisors is an integer number (206236800).

Almost surely, 2^68696888832 is an apocalyptic number.

68696888832 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68696888832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131991552000).

68696888832 is an abundant number, since it is smaller than the sum of its proper divisors (195286215168).

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

68696888832 is a wasteful number, since it uses less digits than its factorization.

68696888832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 138 counting only the distinct ones).

The product of its digits is 382205952, while the sum is 72.

The spelling of 68696888832 in words is "sixty-eight billion, six hundred ninety-six million, eight hundred eighty-eight thousand, eight hundred thirty-two".