38899183866 has 16 divisors (see below), whose sum is σ = 77842617600. Its totient is φ = 12959019648.

The previous prime is 38899183847. The next prime is 38899183867. The reversal of 38899183866 is 66838199883.

It is a self number, because there is not a number n which added to its sum of digits gives 38899183866.

It is not an unprimeable number, because it can be changed into a prime (38899183867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1832311 + ... + 1853418.

It is an arithmetic number, because the mean of its divisors is an integer number (4865163600).

Almost surely, 2^38899183866 is an apocalyptic number.

38899183866 is an abundant number, since it is smaller than the sum of its proper divisors (38943433734).

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

38899183866 is a wasteful number, since it uses less digits than its factorization.

38899183866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687493.

The product of its digits is 107495424, while the sum is 69.

The spelling of 38899183866 in words is "thirty-eight billion, eight hundred ninety-nine million, one hundred eighty-three thousand, eight hundred sixty-six".