68829292885 has 8 divisors (see below), whose sum is σ = 82604998656. Its totient is φ = 55056869520.

The previous prime is 68829292879. The next prime is 68829292913. The reversal of 68829292885 is 58829292886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68829292885 - 2³ = 68829292877 is a prime.

It is a super-2 number, since 2×68829292885² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68829292885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774229 + ... + 858538.

It is an arithmetic number, because the mean of its divisors is an integer number (10325624832).

Almost surely, 2^68829292885 is an apocalyptic number.

It is an amenable number.

68829292885 is a deficient number, since it is larger than the sum of its proper divisors (13775705771).

68829292885 is a wasteful number, since it uses less digits than its factorization.

68829292885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641203.

The product of its digits is 79626240, while the sum is 67.

Subtracting from 68829292885 its reverse (58829292886), we obtain a palindrome (9999999999).

The spelling of 68829292885 in words is "sixty-eight billion, eight hundred twenty-nine million, two hundred ninety-two thousand, eight hundred eighty-five".