38850388857 has 16 divisors (see below), whose sum is σ = 65778436480. Its totient is φ = 22200222096.

The previous prime is 38850388831. The next prime is 38850388859. The reversal of 38850388857 is 75888305883.

It is not a de Polignac number, because 38850388857 - 2¹⁰ = 38850387833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38850388794 and 38850388803.

It is not an unprimeable number, because it can be changed into a prime (38850388859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102778618 + ... + 102778995.

It is an arithmetic number, because the mean of its divisors is an integer number (4111152280).

Almost surely, 2^38850388857 is an apocalyptic number.

It is an amenable number.

38850388857 is a deficient number, since it is larger than the sum of its proper divisors (26928047623).

38850388857 is a wasteful number, since it uses less digits than its factorization.

38850388857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205557629 (or 205557623 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 63.

The spelling of 38850388857 in words is "thirty-eight billion, eight hundred fifty million, three hundred eighty-eight thousand, eight hundred fifty-seven".