38382774987 has 8 divisors (see below), whose sum is σ = 51178019536. Its totient is φ = 25588023552.

The previous prime is 38382774977. The next prime is 38382775001. The reversal of 38382774987 is 78947728383.

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

It is not a de Polignac number, because 38382774987 - 2¹² = 38382770891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38382774907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136623 + ... + 308919.

It is an arithmetic number, because the mean of its divisors is an integer number (6397252442).

Almost surely, 2^38382774987 is an apocalyptic number.

38382774987 is a deficient number, since it is larger than the sum of its proper divisors (12795244549).

38382774987 is a wasteful number, since it uses less digits than its factorization.

38382774987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246557.

The product of its digits is 113799168, while the sum is 66.

The spelling of 38382774987 in words is "thirty-eight billion, three hundred eighty-two million, seven hundred seventy-four thousand, nine hundred eighty-seven".