39879154205 has 16 divisors (see below), whose sum is σ = 52350883200. Its totient is φ = 28922218560.

The previous prime is 39879154181. The next prime is 39879154243. The reversal of 39879154205 is 50245197893.

It is not a de Polignac number, because 39879154205 - 2³⁰ = 38805412381 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 990110 + ... + 1029599.

It is an arithmetic number, because the mean of its divisors is an integer number (3271930200).

Almost surely, 2^39879154205 is an apocalyptic number.

It is an amenable number.

39879154205 is a deficient number, since it is larger than the sum of its proper divisors (12471728995).

39879154205 is a wasteful number, since it uses less digits than its factorization.

39879154205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020084.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 39879154205 in words is "thirty-nine billion, eight hundred seventy-nine million, one hundred fifty-four thousand, two hundred five".