2026781799 has 24 divisors (see below), whose sum is σ = 3155611008. Its totient is φ = 1133493360.

The previous prime is 2026781797. The next prime is 2026781807. The reversal of 2026781799 is 9971876202.

It is not a de Polignac number, because 2026781799 - 2¹ = 2026781797 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026781797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24544 + ... + 68234.

It is an arithmetic number, because the mean of its divisors is an integer number (131483792).

Almost surely, 2^2026781799 is an apocalyptic number.

2026781799 is a deficient number, since it is larger than the sum of its proper divisors (1128829209).

2026781799 is an equidigital number, since it uses as much as digits as its factorization.

2026781799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43795 (or 43748 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 2026781799 is about 45019.7934135642. The cubic root of 2026781799 is about 1265.5199576848.

The spelling of 2026781799 in words is "two billion, twenty-six million, seven hundred eighty-one thousand, seven hundred ninety-nine".