26299379 has 2 divisors, whose sum is σ = 26299380. Its totient is φ = 26299378.

The previous prime is 26299369. The next prime is 26299397. The reversal of 26299379 is 97399262.

Together with next prime (26299397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26299379 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 26299379 parts by 7252 straight cuts.

It is not a weakly prime, because it can be changed into another prime (26299349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13149689 + 13149690.

It is an arithmetic number, because the mean of its divisors is an integer number (13149690).

Almost surely, 2^26299379 is an apocalyptic number.

26299379 is a deficient number, since it is larger than the sum of its proper divisors (1).

26299379 is an equidigital number, since it uses as much as digits as its factorization.

26299379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 47.

The square root of 26299379 is about 5128.2920158665. The cubic root of 26299379 is about 297.3823332422.

The spelling of 26299379 in words is "twenty-six million, two hundred ninety-nine thousand, three hundred seventy-nine".