38023766778 has 32 divisors (see below), whose sum is σ = 77927458752. Its totient is φ = 12362112000.

The previous prime is 38023766731. The next prime is 38023766789. The reversal of 38023766778 is 87766732083.

38023766778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75738 + ... + 285978.

It is an arithmetic number, because the mean of its divisors is an integer number (2435233086).

Almost surely, 2^38023766778 is an apocalyptic number.

38023766778 is an abundant number, since it is smaller than the sum of its proper divisors (39903691974).

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

38023766778 is a wasteful number, since it uses less digits than its factorization.

38023766778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210990.

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 38023766778 in words is "thirty-eight billion, twenty-three million, seven hundred sixty-six thousand, seven hundred seventy-eight".