39976642798 has 4 divisors (see below), whose sum is σ = 59964964200. Its totient is φ = 19988321398.

The previous prime is 39976642697. The next prime is 39976642799. The reversal of 39976642798 is 89724667993.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39976642799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9994160698 + ... + 9994160701.

It is an arithmetic number, because the mean of its divisors is an integer number (14991241050).

Almost surely, 2^39976642798 is an apocalyptic number.

39976642798 is a deficient number, since it is larger than the sum of its proper divisors (19988321402).

39976642798 is a wasteful number, since it uses less digits than its factorization.

39976642798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19988321401.

The product of its digits is 246903552, while the sum is 70.

The spelling of 39976642798 in words is "thirty-nine billion, nine hundred seventy-six million, six hundred forty-two thousand, seven hundred ninety-eight".