38937850665 has 16 divisors (see below), whose sum is σ = 71200641408. Its totient is φ = 17800160256.

The previous prime is 38937850649. The next prime is 38937850733. The reversal of 38937850665 is 56605873983.

It is not a de Polignac number, because 38937850665 - 2⁴ = 38937850649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38937850599 and 38937850608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185418232 + ... + 185418441.

It is an arithmetic number, because the mean of its divisors is an integer number (4450040088).

Almost surely, 2^38937850665 is an apocalyptic number.

38937850665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38937850665 is a deficient number, since it is larger than the sum of its proper divisors (32262790743).

38937850665 is a wasteful number, since it uses less digits than its factorization.

38937850665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370836688.

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 38937850665 in words is "thirty-eight billion, nine hundred thirty-seven million, eight hundred fifty thousand, six hundred sixty-five".