39976334907 has 4 divisors (see below), whose sum is σ = 53301779880. Its totient is φ = 26650889936.

The previous prime is 39976334873. The next prime is 39976334911. The reversal of 39976334907 is 70943367993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70943367993 = 3 ⋅23647789331.

It is a cyclic number.

It is not a de Polignac number, because 39976334907 - 2⁷ = 39976334779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39976334927) 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, 6662722482 + ... + 6662722487.

It is an arithmetic number, because the mean of its divisors is an integer number (13325444970).

Almost surely, 2^39976334907 is an apocalyptic number.

39976334907 is a deficient number, since it is larger than the sum of its proper divisors (13325444973).

39976334907 is a wasteful number, since it uses less digits than its factorization.

39976334907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13325444972.

The product of its (nonzero) digits is 23147208, while the sum is 60.

The spelling of 39976334907 in words is "thirty-nine billion, nine hundred seventy-six million, three hundred thirty-four thousand, nine hundred seven".