39066879705 has 24 divisors (see below), whose sum is σ = 71440283712. Its totient is φ = 17858219136.

The previous prime is 39066879653. The next prime is 39066879721. The reversal of 39066879705 is 50797866093.

It is not a de Polignac number, because 39066879705 - 2⁹ = 39066879193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2015701 + ... + 2034989.

It is an arithmetic number, because the mean of its divisors is an integer number (2976678488).

Almost surely, 2^39066879705 is an apocalyptic number.

39066879705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39066879705 is a deficient number, since it is larger than the sum of its proper divisors (32373404007).

39066879705 is an frugal number, since it uses more digits than its factorization.

39066879705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38593 (or 19304 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 39066879705 in words is "thirty-nine billion, sixty-six million, eight hundred seventy-nine thousand, seven hundred five".