26365379823 has 8 divisors (see below), whose sum is σ = 39059822000. Its totient is φ = 17576919864.

The previous prime is 26365379809. The next prime is 26365379839. The reversal of 26365379823 is 32897356362.

It is a happy number.

26365379823 is a `hidden beast` number, since 26 + 3 + 6 + 537 + 9 + 82 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-26365379823 is a prime.

It is a super-2 number, since 2×26365379823² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26365379823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26365379893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488247748 + ... + 488247801.

It is an arithmetic number, because the mean of its divisors is an integer number (4882477750).

Almost surely, 2^26365379823 is an apocalyptic number.

26365379823 is a deficient number, since it is larger than the sum of its proper divisors (12694442177).

26365379823 is an equidigital number, since it uses as much as digits as its factorization.

26365379823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976495558 (or 976495552 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 26365379823 in words is "twenty-six billion, three hundred sixty-five million, three hundred seventy-nine thousand, eight hundred twenty-three".