68889508252 has 24 divisors (see below), whose sum is σ = 122480058960. Its totient is φ = 33899174400.

The previous prime is 68889508249. The next prime is 68889508273. The reversal of 68889508252 is 25280598886.

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, 426499 + ... + 565402.

It is an arithmetic number, because the mean of its divisors is an integer number (5103335790).

Almost surely, 2^68889508252 is an apocalyptic number.

It is an amenable number.

68889508252 is a deficient number, since it is larger than the sum of its proper divisors (53590550708).

68889508252 is a wasteful number, since it uses less digits than its factorization.

68889508252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992181 (or 992179 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 61.

The spelling of 68889508252 in words is "sixty-eight billion, eight hundred eighty-nine million, five hundred eight thousand, two hundred fifty-two".