68903974107 has 64 divisors (see below), whose sum is σ = 108972096000. Its totient is φ = 43441168320.

The previous prime is 68903974067. The next prime is 68903974121. The reversal of 68903974107 is 70147930986.

It is a happy number.

68903974107 is a `hidden beast` number, since 68 + 90 + 397 + 4 + 107 = 666.

It is not a de Polignac number, because 68903974107 - 2⁸ = 68903973851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68903974187) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31620744 + ... + 31622922.

It is an arithmetic number, because the mean of its divisors is an integer number (1702689000).

Almost surely, 2^68903974107 is an apocalyptic number.

68903974107 is a deficient number, since it is larger than the sum of its proper divisors (40068121893).

68903974107 is an equidigital number, since it uses as much as digits as its factorization.

68903974107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980 (or 2962 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 68903974107 in words is "sixty-eight billion, nine hundred three million, nine hundred seventy-four thousand, one hundred seven".