39982790167 has 4 divisors (see below), whose sum is σ = 40019439096. Its totient is φ = 39946141240.

The previous prime is 39982790153. The next prime is 39982790179. The reversal of 39982790167 is 76109728993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76109728993 = 499 ⋅152524507.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39982790167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39982793167) 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 in 3 ways as a sum of consecutive naturals, for example, 18322828 + ... + 18325009.

It is an arithmetic number, because the mean of its divisors is an integer number (10004859774).

Almost surely, 2^39982790167 is an apocalyptic number.

39982790167 is a deficient number, since it is larger than the sum of its proper divisors (36648929).

39982790167 is a wasteful number, since it uses less digits than its factorization.

39982790167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36648928.

The product of its (nonzero) digits is 10287648, while the sum is 61.

The spelling of 39982790167 in words is "thirty-nine billion, nine hundred eighty-two million, seven hundred ninety thousand, one hundred sixty-seven".