68769851562 has 96 divisors (see below), whose sum is σ = 158627087424. Its totient is φ = 21457497600.

The previous prime is 68769851533. The next prime is 68769851567. The reversal of 68769851562 is 26515896786.

68769851562 is a `hidden beast` number, since 6 + 8 + 7 + 69 + 8 + 5 + 1 + 562 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 68769851562.

It is not an unprimeable number, because it can be changed into a prime (68769851567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83155393 + ... + 83156219.

It is an arithmetic number, because the mean of its divisors is an integer number (1652365494).

Almost surely, 2^68769851562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68769851562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79313543712).

68769851562 is an abundant number, since it is smaller than the sum of its proper divisors (89857235862).

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

68769851562 is a wasteful number, since it uses less digits than its factorization.

68769851562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004 (or 2001 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 68769851562 in words is "sixty-eight billion, seven hundred sixty-nine million, eight hundred fifty-one thousand, five hundred sixty-two".