392717842205 has 8 divisors (see below), whose sum is σ = 507512288472. Its totient is φ = 290007021888.

The previous prime is 392717842079. The next prime is 392717842213. The reversal of 392717842205 is 502248717293.

It can be written as a sum of positive squares in 4 ways, for example, as 808037476 + 391909804729 = 28426^2 + 626027^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 392717842205 - 2¹² = 392717838109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3020906414 + ... + 3020906543.

It is an arithmetic number, because the mean of its divisors is an integer number (63439036059).

Almost surely, 2^392717842205 is an apocalyptic number.

It is an amenable number.

392717842205 is a deficient number, since it is larger than the sum of its proper divisors (114794446267).

392717842205 is a wasteful number, since it uses less digits than its factorization.

392717842205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041812975.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 392717842205 in words is "three hundred ninety-two billion, seven hundred seventeen million, eight hundred forty-two thousand, two hundred five".