392198778006 has 96 divisors (see below), whose sum is σ = 924644004480. Its totient is φ = 110564302464.

The previous prime is 392198777989. The next prime is 392198778017. The reversal of 392198778006 is 600877891293.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19731285 + ... + 19751151.

It is an arithmetic number, because the mean of its divisors is an integer number (9631708380).

Almost surely, 2^392198778006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 392198778006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462322002240).

392198778006 is an abundant number, since it is smaller than the sum of its proper divisors (532445226474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

392198778006 is a wasteful number, since it uses less digits than its factorization.

392198778006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20778 (or 20771 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 60.

It can be divided in two parts, 3921987 and 78006, that added together give a palindrome (3999993).

The spelling of 392198778006 in words is "three hundred ninety-two billion, one hundred ninety-eight million, seven hundred seventy-eight thousand, six".