3992080887869 has 2 divisors, whose sum is σ = 3992080887870. Its totient is φ = 3992080887868.

The previous prime is 3992080887797. The next prime is 3992080887881. The reversal of 3992080887869 is 9687880802993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3755824620025 + 236256267844 = 1937995^2 + 486062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3992080887869 is a prime.

It is a super-2 number, since 2×3992080887869² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3992080887869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3992080887169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996040443934 + 1996040443935.

It is an arithmetic number, because the mean of its divisors is an integer number (1996040443935).

Almost surely, 2^{3992080887869} is an apocalyptic number.

It is an amenable number.

3992080887869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992080887869 is an equidigital number, since it uses as much as digits as its factorization.

3992080887869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752467968, while the sum is 77.

The spelling of 3992080887869 in words is "three trillion, nine hundred ninety-two billion, eighty million, eight hundred eighty-seven thousand, eight hundred sixty-nine".