38357878285 has 4 divisors (see below), whose sum is σ = 46029453948. Its totient is φ = 30686302624.

The previous prime is 38357878259. The next prime is 38357878291. The reversal of 38357878285 is 58287875383.

38357878285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3982493449 + 34375384836 = 63107^2 + 185406^2 .

It is a cyclic number.

It is not a de Polignac number, because 38357878285 - 2²⁵ = 38324323853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3835787824 + ... + 3835787833.

It is an arithmetic number, because the mean of its divisors is an integer number (11507363487).

Almost surely, 2^38357878285 is an apocalyptic number.

It is an amenable number.

38357878285 is a deficient number, since it is larger than the sum of its proper divisors (7671575663).

38357878285 is an equidigital number, since it uses as much as digits as its factorization.

38357878285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671575662.

The product of its digits is 90316800, while the sum is 64.

The spelling of 38357878285 in words is "thirty-eight billion, three hundred fifty-seven million, eight hundred seventy-eight thousand, two hundred eighty-five".