68817292995 has 32 divisors (see below), whose sum is σ = 120138557184. Its totient is φ = 33360099200.

The previous prime is 68817292961. The next prime is 68817293087. The reversal of 68817292995 is 59929271886.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-68817292995 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 992944 + ... + 1059986.

It is an arithmetic number, because the mean of its divisors is an integer number (3754329912).

Almost surely, 2^68817292995 is an apocalyptic number.

68817292995 is a deficient number, since it is larger than the sum of its proper divisors (51321264189).

68817292995 is a wasteful number, since it uses less digits than its factorization.

68817292995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73283.

The product of its digits is 39191040, while the sum is 66.

The spelling of 68817292995 in words is "sixty-eight billion, eight hundred seventeen million, two hundred ninety-two thousand, nine hundred ninety-five".