38979897983 has 16 divisors (see below), whose sum is σ = 42892348800. Its totient is φ = 35203805280.

The previous prime is 38979897967. The next prime is 38979897997.

It is a happy number.

38979897983 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 38979897983 - 2⁴ = 38979897967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38979897898 and 38979897907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38979897083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41408 + ... + 282266.

It is an arithmetic number, because the mean of its divisors is an integer number (2680771800).

Almost surely, 2^38979897983 is an apocalyptic number.

38979897983 is a deficient number, since it is larger than the sum of its proper divisors (3912450817).

38979897983 is a wasteful number, since it uses less digits than its factorization.

38979897983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241142.

The product of its digits is 1481421312, while the sum is 80.

The spelling of 38979897983 in words is "thirty-eight billion, nine hundred seventy-nine million, eight hundred ninety-seven thousand, nine hundred eighty-three".