383249678172 has 24 divisors (see below), whose sum is σ = 946852146576. Its totient is φ = 120235193088.

The previous prime is 383249678113. The next prime is 383249678173. The reversal of 383249678172 is 271876942383.

It is a happy number.

It is a super-3 number, since 3×383249678172³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383249678173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939337243 + ... + 939337650.

It is an arithmetic number, because the mean of its divisors is an integer number (39452172774).

Almost surely, 2^383249678172 is an apocalyptic number.

It is an amenable number.

383249678172 is an abundant number, since it is smaller than the sum of its proper divisors (563602468404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

383249678172 is a wasteful number, since it uses less digits than its factorization.

383249678172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878674917 (or 1878674915 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 60.

The spelling of 383249678172 in words is "three hundred eighty-three billion, two hundred forty-nine million, six hundred seventy-eight thousand, one hundred seventy-two".