3992926378798 has 16 divisors (see below), whose sum is σ = 6845294828160. Its totient is φ = 1711184617656.

The previous prime is 3992926378789. The next prime is 3992926378817. The reversal of 3992926378798 is 8978736292993.

It is a super-2 number, since 2×3992926378798² (a number of 26 digits) contains 22 as substring.

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, 5437836 + ... + 6128287.

It is an arithmetic number, because the mean of its divisors is an integer number (427830926760).

Almost surely, 2^{3992926378798} is an apocalyptic number.

3992926378798 is a deficient number, since it is larger than the sum of its proper divisors (2852368449362).

3992926378798 is a wasteful number, since it uses less digits than its factorization.

3992926378798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11590791.

The product of its digits is 4444263936, while the sum is 82.

The spelling of 3992926378798 in words is "three trillion, nine hundred ninety-two billion, nine hundred twenty-six million, three hundred seventy-eight thousand, seven hundred ninety-eight".