2038081778 has 16 divisors (see below), whose sum is σ = 3328992000. Its totient is φ = 932116752.

The previous prime is 2038081753. The next prime is 2038081847. The reversal of 2038081778 is 8771808302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923618 + ... + 925821.

It is an arithmetic number, because the mean of its divisors is an integer number (208062000).

Almost surely, 2^2038081778 is an apocalyptic number.

2038081778 is a deficient number, since it is larger than the sum of its proper divisors (1290910222).

2038081778 is a wasteful number, since it uses less digits than its factorization.

2038081778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849489.

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 2038081778 is about 45145.1190938733. The cubic root of 2038081778 is about 1267.8674977726.

The spelling of 2038081778 in words is "two billion, thirty-eight million, eighty-one thousand, seven hundred seventy-eight".