39880239115 has 4 divisors (see below), whose sum is σ = 47856286944. Its totient is φ = 31904191288.

The previous prime is 39880239101. The next prime is 39880239149. The reversal of 39880239115 is 51193208893.

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

It is a cyclic number.

It is not a de Polignac number, because 39880239115 - 2¹⁹ = 39879714827 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3988023907 + ... + 3988023916.

It is an arithmetic number, because the mean of its divisors is an integer number (11964071736).

Almost surely, 2^39880239115 is an apocalyptic number.

39880239115 is a deficient number, since it is larger than the sum of its proper divisors (7976047829).

39880239115 is an equidigital number, since it uses as much as digits as its factorization.

39880239115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976047828.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 39880239115 in words is "thirty-nine billion, eight hundred eighty million, two hundred thirty-nine thousand, one hundred fifteen".