69799920340392 has 768 divisors, whose sum is σ = 215376637132800. Its totient is φ = 20241321984000.

The previous prime is 69799920340379. The next prime is 69799920340417. The reversal of 69799920340392 is 29304302999796.

69799920340392 is a `hidden beast` number, since 6 + 9 + 7 + 9 + 9 + 9 + 203 + 403 + 9 + 2 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 69799920340392.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 122241541467 + ... + 122241542037.

It is an arithmetic number, because the mean of its divisors is an integer number (280438329600).

Almost surely, 2^{69799920340392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69799920340392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107688318566400).

69799920340392 is an abundant number, since it is smaller than the sum of its proper divisors (145576716792408).

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

69799920340392 is a wasteful number, since it uses less digits than its factorization.

69799920340392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 357128352, while the sum is 72.

The spelling of 69799920340392 in words is "sixty-nine trillion, seven hundred ninety-nine billion, nine hundred twenty million, three hundred forty thousand, three hundred ninety-two".