378570069522 has 30 divisors (see below), whose sum is σ = 848294926149. Its totient is φ = 126187412760.

The previous prime is 378570069517. The next prime is 378570069569. The reversal of 378570069522 is 225960075873.

378570069522 is a `hidden beast` number, since 3 + 7 + 8 + 57 + 0 + 0 + 69 + 522 = 666.

378570069522 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 2 ways, for example, as 330626150001 + 47943919521 = 575001^2 + 218961^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=435069.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 7807072 + ... + 7855412.

Almost surely, 2^378570069522 is an apocalyptic number.

378570069522 is an abundant number, since it is smaller than the sum of its proper divisors (469724856627).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378570069522 is an frugal number, since it uses more digits than its factorization.

378570069522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96696 (or 48346 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 378570069522 in words is "three hundred seventy-eight billion, five hundred seventy million, sixty-nine thousand, five hundred twenty-two".