38899445782 has 16 divisors (see below), whose sum is σ = 59715691200. Its totient is φ = 18994360392.

The previous prime is 38899445749. The next prime is 38899445791. The reversal of 38899445782 is 28754499883.

It is a congruent number.

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, 560533 + ... + 626095.

It is an arithmetic number, because the mean of its divisors is an integer number (3732230700).

Almost surely, 2^38899445782 is an apocalyptic number.

38899445782 is a deficient number, since it is larger than the sum of its proper divisors (20816245418).

38899445782 is a wasteful number, since it uses less digits than its factorization.

38899445782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72507.

The product of its digits is 139345920, while the sum is 67.

The spelling of 38899445782 in words is "thirty-eight billion, eight hundred ninety-nine million, four hundred forty-five thousand, seven hundred eighty-two".