104688403992 has 80 divisors (see below), whose sum is σ = 293751912960. Its totient is φ = 34833364416.

The previous prime is 104688403991. The next prime is 104688404017. The reversal of 104688403992 is 299304886401.

104688403992 is a `hidden beast` number, since 10 + 468 + 84 + 0 + 3 + 9 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104688403991) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 215913 + ... + 505959.

It is an arithmetic number, because the mean of its divisors is an integer number (3671898912).

Almost surely, 2^104688403992 is an apocalyptic number.

104688403992 is a gapful number since it is divisible by the number (12) 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 104688403992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146875956480).

104688403992 is an abundant number, since it is smaller than the sum of its proper divisors (189063508968).

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

104688403992 is a wasteful number, since it uses less digits than its factorization.

104688403992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290622 (or 290609 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 104688403992 in words is "one hundred four billion, six hundred eighty-eight million, four hundred three thousand, nine hundred ninety-two".