2026823077865 has 64 divisors (see below), whose sum is σ = 2609920051200. Its totient is φ = 1506596889600.

The previous prime is 2026823077843. The next prime is 2026823077871. The reversal of 2026823077865 is 5687703286202.

It is not a de Polignac number, because 2026823077865 - 2¹⁴ = 2026823061481 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2026823077865.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 682200830 + ... + 682203800.

It is an arithmetic number, because the mean of its divisors is an integer number (40780000800).

Almost surely, 2^{2026823077865} is an apocalyptic number.

It is an amenable number.

2026823077865 is a deficient number, since it is larger than the sum of its proper divisors (583096973335).

2026823077865 is a wasteful number, since it uses less digits than its factorization.

2026823077865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 2026823077865 in words is "two trillion, twenty-six billion, eight hundred twenty-three million, seventy-seven thousand, eight hundred sixty-five".