3992926378771 has 16 divisors (see below), whose sum is σ = 4477781288448. Its totient is φ = 3529782446400.

The previous prime is 3992926378747. The next prime is 3992926378781. The reversal of 3992926378771 is 1778736292993.

It is a cyclic number.

It is not a de Polignac number, because 3992926378771 - 2¹⁹ = 3992925854483 is a prime.

It is a super-2 number, since 2×3992926378771² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3992926378694 and 3992926378703.

It is not an unprimeable number, because it can be changed into a prime (3992926378741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34960671 + ... + 35074696.

It is an arithmetic number, because the mean of its divisors is an integer number (279861330528).

Almost surely, 2^{3992926378771} is an apocalyptic number.

3992926378771 is a deficient number, since it is larger than the sum of its proper divisors (484854909677).

3992926378771 is a wasteful number, since it uses less digits than its factorization.

3992926378771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70035522.

The product of its digits is 432081216, while the sum is 73.

The spelling of 3992926378771 in words is "three trillion, nine hundred ninety-two billion, nine hundred twenty-six million, three hundred seventy-eight thousand, seven hundred seventy-one".