38672783215 has 32 divisors (see below), whose sum is σ = 52839646272. Its totient is φ = 26921856000.

The previous prime is 38672783213. The next prime is 38672783231. The reversal of 38672783215 is 51238727683.

38672783215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38672783215 - 2¹ = 38672783213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38672783213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42276 + ... + 281305.

It is an arithmetic number, because the mean of its divisors is an integer number (1651238946).

Almost surely, 2^38672783215 is an apocalyptic number.

38672783215 is a deficient number, since it is larger than the sum of its proper divisors (14166863057).

38672783215 is a wasteful number, since it uses less digits than its factorization.

38672783215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323691.

The product of its digits is 3386880, while the sum is 52.

The spelling of 38672783215 in words is "thirty-eight billion, six hundred seventy-two million, seven hundred eighty-three thousand, two hundred fifteen".