3876378078 has 16 divisors (see below), whose sum is σ = 7804100736. Its totient is φ = 1283568600.

The previous prime is 3876378053. The next prime is 3876378091. The reversal of 3876378078 is 8708736783.

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, 2138376 + ... + 2140187.

It is an arithmetic number, because the mean of its divisors is an integer number (487756296).

Almost surely, 2^3876378078 is an apocalyptic number.

3876378078 is an abundant number, since it is smaller than the sum of its proper divisors (3927722658).

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

3876378078 is a wasteful number, since it uses less digits than its factorization.

3876378078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278719.

The product of its (nonzero) digits is 9483264, while the sum is 57.

The square root of 3876378078 is about 62260.5659948575. The cubic root of 3876378078 is about 1570.8765005820.

The spelling of 3876378078 in words is "three billion, eight hundred seventy-six million, three hundred seventy-eight thousand, seventy-eight".