308857729112 has 16 divisors (see below), whose sum is σ = 597789153600. Its totient is φ = 149447288160.

The previous prime is 308857729111. The next prime is 308857729127. The reversal of 308857729112 is 211927758803.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308857729111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622696787 + ... + 622697282.

It is an arithmetic number, because the mean of its divisors is an integer number (37361822100).

Almost surely, 2^308857729112 is an apocalyptic number.

It is an amenable number.

308857729112 is a deficient number, since it is larger than the sum of its proper divisors (288931424488).

308857729112 is a wasteful number, since it uses less digits than its factorization.

308857729112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245394106 (or 1245394102 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 308857729112 in words is "three hundred eight billion, eight hundred fifty-seven million, seven hundred twenty-nine thousand, one hundred twelve".