3801390078 has 16 divisors (see below), whose sum is σ = 8002926720. Its totient is φ = 1200438936.

The previous prime is 3801390049. The next prime is 3801390091. The reversal of 3801390078 is 8700931083.

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, 16672650 + ... + 16672877.

It is an arithmetic number, because the mean of its divisors is an integer number (500182920).

Almost surely, 2^3801390078 is an apocalyptic number.

3801390078 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3801390078 is an abundant number, since it is smaller than the sum of its proper divisors (4201536642).

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

3801390078 is a wasteful number, since it uses less digits than its factorization.

3801390078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33345551.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 3801390078 is about 61655.4140201816. The cubic root of 3801390078 is about 1560.6810085509.

The spelling of 3801390078 in words is "three billion, eight hundred one million, three hundred ninety thousand, seventy-eight".