68938888263 has 24 divisors (see below), whose sum is σ = 107159699952. Its totient is φ = 39307411584.

The previous prime is 68938888199. The next prime is 68938888303. The reversal of 68938888263 is 36288883986.

It is not a de Polignac number, because 68938888263 - 2⁶ = 68938888199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68938888063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445920 + ... + 580277.

It is an arithmetic number, because the mean of its divisors is an integer number (4464987498).

Almost surely, 2^68938888263 is an apocalyptic number.

68938888263 is a deficient number, since it is larger than the sum of its proper divisors (38220811689).

68938888263 is a wasteful number, since it uses less digits than its factorization.

68938888263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026671 (or 1026664 counting only the distinct ones).

The product of its digits is 191102976, while the sum is 69.

The spelling of 68938888263 in words is "sixty-eight billion, nine hundred thirty-eight million, eight hundred eighty-eight thousand, two hundred sixty-three".