39986966206 has 8 divisors (see below), whose sum is σ = 65433217464. Its totient is φ = 18175893720.

The previous prime is 39986966189. The next prime is 39986966231. The reversal of 39986966206 is 60266968993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908794665 + ... + 908794708.

It is an arithmetic number, because the mean of its divisors is an integer number (8179152183).

Almost surely, 2^39986966206 is an apocalyptic number.

39986966206 is a deficient number, since it is larger than the sum of its proper divisors (25446251258).

39986966206 is a wasteful number, since it uses less digits than its factorization.

39986966206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817589386.

The product of its (nonzero) digits is 45349632, while the sum is 64.

The spelling of 39986966206 in words is "thirty-nine billion, nine hundred eighty-six million, nine hundred sixty-six thousand, two hundred six".