26076783009 has 4 divisors (see below), whose sum is σ = 34769044016. Its totient is φ = 17384522004.

The previous prime is 26076782993. The next prime is 26076783013. The reversal of 26076783009 is 90038767062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 26076783009 - 2⁴ = 26076782993 is a prime.

It is a super-2 number, since 2×26076783009² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26076783049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4346130499 + ... + 4346130504.

It is an arithmetic number, because the mean of its divisors is an integer number (8692261004).

Almost surely, 2^26076783009 is an apocalyptic number.

It is an amenable number.

26076783009 is a deficient number, since it is larger than the sum of its proper divisors (8692261007).

26076783009 is an equidigital number, since it uses as much as digits as its factorization.

26076783009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8692261006.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 26076783009 in words is "twenty-six billion, seventy-six million, seven hundred eighty-three thousand, nine".