38427711972 has 48 divisors (see below), whose sum is σ = 99676856832. Its totient is φ = 11442493440.

The previous prime is 38427711961. The next prime is 38427711977. The reversal of 38427711972 is 27911772483.

38427711972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38427711977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3968253 + ... + 3977924.

It is an arithmetic number, because the mean of its divisors is an integer number (2076601184).

Almost surely, 2^38427711972 is an apocalyptic number.

It is an amenable number.

38427711972 is an abundant number, since it is smaller than the sum of its proper divisors (61249144860).

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

38427711972 is a wasteful number, since it uses less digits than its factorization.

38427711972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7946228 (or 7946226 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 51.

The spelling of 38427711972 in words is "thirty-eight billion, four hundred twenty-seven million, seven hundred eleven thousand, nine hundred seventy-two".