26799967 has 2 divisors, whose sum is σ = 26799968. Its totient is φ = 26799966.

The previous prime is 26799961. The next prime is 26799977. The reversal of 26799967 is 76999762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26799967 - 2³ = 26799959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26799961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13399983 + 13399984.

It is an arithmetic number, because the mean of its divisors is an integer number (13399984).

Almost surely, 2^26799967 is an apocalyptic number.

26799967 is a deficient number, since it is larger than the sum of its proper divisors (1).

26799967 is an equidigital number, since it uses as much as digits as its factorization.

26799967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2571912, while the sum is 55.

The square root of 26799967 is about 5176.8684549639. The cubic root of 26799967 is about 299.2572998761.

The spelling of 26799967 in words is "twenty-six million, seven hundred ninety-nine thousand, nine hundred sixty-seven".