38797679783 has 4 divisors (see below), whose sum is σ = 40135530840. Its totient is φ = 37459828728.

The previous prime is 38797679779. The next prime is 38797679887.

38797679783 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38797679783 - 2² = 38797679779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38797679783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38797679183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668925485 + ... + 668925542.

It is an arithmetic number, because the mean of its divisors is an integer number (10033882710).

Almost surely, 2^38797679783 is an apocalyptic number.

38797679783 is a deficient number, since it is larger than the sum of its proper divisors (1337851057).

38797679783 is a wasteful number, since it uses less digits than its factorization.

38797679783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337851056.

The product of its digits is 672126336, while the sum is 74.

The spelling of 38797679783 in words is "thirty-eight billion, seven hundred ninety-seven million, six hundred seventy-nine thousand, seven hundred eighty-three".