38431774707 has 8 divisors (see below), whose sum is σ = 51525474000. Its totient is φ = 25479629280.

The previous prime is 38431774679. The next prime is 38431774763. The reversal of 38431774707 is 70747713483.

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

It is not a de Polignac number, because 38431774707 - 2¹⁸ = 38431512563 is a prime.

It is a super-3 number, since 3×38431774707³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38431774707.

It is not an unprimeable number, because it can be changed into a prime (38431774907) 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, 35387832 + ... + 35388917.

It is an arithmetic number, because the mean of its divisors is an integer number (6440684250).

Almost surely, 2^38431774707 is an apocalyptic number.

38431774707 is a deficient number, since it is larger than the sum of its proper divisors (13093699293).

38431774707 is a wasteful number, since it uses less digits than its factorization.

38431774707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70776933.

The product of its (nonzero) digits is 2765952, while the sum is 51.

The spelling of 38431774707 in words is "thirty-eight billion, four hundred thirty-one million, seven hundred seventy-four thousand, seven hundred seven".