38763902890 has 8 divisors (see below), whose sum is σ = 69775025220. Its totient is φ = 15505561152.

The previous prime is 38763902857. The next prime is 38763902917. The reversal of 38763902890 is 9820936783.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37095915609 + 1667987281 = 192603^2 + 40841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1938195135 + ... + 1938195154.

Almost surely, 2^38763902890 is an apocalyptic number.

38763902890 is a deficient number, since it is larger than the sum of its proper divisors (31011122330).

38763902890 is a wasteful number, since it uses less digits than its factorization.

38763902890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876390296.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 38763902890 in words is "thirty-eight billion, seven hundred sixty-three million, nine hundred two thousand, eight hundred ninety".