38779297783 has 8 divisors (see below), whose sum is σ = 39227155200. Its totient is φ = 38331710208.

The previous prime is 38779297741. The next prime is 38779297819.

38779297783 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38779297783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38779297723) 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, 229098 + ... + 360616.

It is an arithmetic number, because the mean of its divisors is an integer number (4903394400).

Almost surely, 2^38779297783 is an apocalyptic number.

38779297783 is a deficient number, since it is larger than the sum of its proper divisors (447857417).

38779297783 is a wasteful number, since it uses less digits than its factorization.

38779297783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134921.

The product of its digits is 224042112, while the sum is 70.

The spelling of 38779297783 in words is "thirty-eight billion, seven hundred seventy-nine million, two hundred ninety-seven thousand, seven hundred eighty-three".