3786878438 has 16 divisors (see below), whose sum is σ = 6512673024. Its totient is φ = 1617727560.

The previous prime is 3786878399. The next prime is 3786878471. The reversal of 3786878438 is 8348786873.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430520 + ... + 439227.

It is an arithmetic number, because the mean of its divisors is an integer number (407042064).

Almost surely, 2^3786878438 is an apocalyptic number.

3786878438 is a deficient number, since it is larger than the sum of its proper divisors (2725794586).

3786878438 is a wasteful number, since it uses less digits than its factorization.

3786878438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870067.

The product of its digits is 43352064, while the sum is 62.

The square root of 3786878438 is about 61537.6180722004. The cubic root of 3786878438 is about 1558.6925323125.

The spelling of 3786878438 in words is "three billion, seven hundred eighty-six million, eight hundred seventy-eight thousand, four hundred thirty-eight".