378832816825 has 6 divisors (see below), whose sum is σ = 469752692894. Its totient is φ = 303066253440.

The previous prime is 378832816771. The next prime is 378832816877. The reversal of 378832816825 is 528618238873.

It can be written as a sum of positive squares in 3 ways, for example, as 7338681 + 378825478144 = 2709^2 + 615488^2 .

It is not a de Polignac number, because 378832816825 - 2¹¹ = 378832814777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7576656312 + ... + 7576656361.

Almost surely, 2^378832816825 is an apocalyptic number.

It is an amenable number.

378832816825 is a deficient number, since it is larger than the sum of its proper divisors (90919876069).

378832816825 is a wasteful number, since it uses less digits than its factorization.

378832816825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15153312683 (or 15153312678 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 61.

The spelling of 378832816825 in words is "three hundred seventy-eight billion, eight hundred thirty-two million, eight hundred sixteen thousand, eight hundred twenty-five".