38431079985 has 8 divisors (see below), whose sum is σ = 61489728000. Its totient is φ = 20496575984.

The previous prime is 38431079977. The next prime is 38431080049. The reversal of 38431079985 is 58997013483.

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

It is a cyclic number.

It is not a de Polignac number, because 38431079985 - 2³ = 38431079977 is a prime.

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, 1281035985 + ... + 1281036014.

It is an arithmetic number, because the mean of its divisors is an integer number (7686216000).

Almost surely, 2^38431079985 is an apocalyptic number.

It is an amenable number.

38431079985 is a deficient number, since it is larger than the sum of its proper divisors (23058648015).

38431079985 is a wasteful number, since it uses less digits than its factorization.

38431079985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562072007.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 38431079985 in words is "thirty-eight billion, four hundred thirty-one million, seventy-nine thousand, nine hundred eighty-five".