378906247506 has 32 divisors (see below), whose sum is σ = 767508019200. Its totient is φ = 124686591120.

The previous prime is 378906247477. The next prime is 378906247519. The reversal of 378906247506 is 605742609873.

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, 3770371 + ... + 3869561.

It is an arithmetic number, because the mean of its divisors is an integer number (23984625600).

Almost surely, 2^378906247506 is an apocalyptic number.

378906247506 is an abundant number, since it is smaller than the sum of its proper divisors (388601771694).

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

378906247506 is a wasteful number, since it uses less digits than its factorization.

378906247506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107334.

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 378906247506 in words is "three hundred seventy-eight billion, nine hundred six million, two hundred forty-seven thousand, five hundred six".