378877848438 has 16 divisors (see below), whose sum is σ = 758865157056. Its totient is φ = 126107706120.

The previous prime is 378877848431. The next prime is 378877848451. The reversal of 378877848438 is 834848778873.

It is a self number, because there is not a number n which added to its sum of digits gives 378877848438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378877848431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46223068 + ... + 46231263.

It is an arithmetic number, because the mean of its divisors is an integer number (47429072316).

Almost surely, 2^378877848438 is an apocalyptic number.

378877848438 is an abundant number, since it is smaller than the sum of its proper divisors (379987308618).

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

378877848438 is a wasteful number, since it uses less digits than its factorization.

378877848438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92455019.

The product of its digits is 1618477056, while the sum is 75.

The spelling of 378877848438 in words is "three hundred seventy-eight billion, eight hundred seventy-seven million, eight hundred forty-eight thousand, four hundred thirty-eight".