26769797 has 2 divisors, whose sum is σ = 26769798. Its totient is φ = 26769796.

The previous prime is 26769793. The next prime is 26769851. The reversal of 26769797 is 79796762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25391521 + 1378276 = 5039^2 + 1174^2 .

It is a cyclic number.

It is not a de Polignac number, because 26769797 - 2² = 26769793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26769793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13384898 + 13384899.

It is an arithmetic number, because the mean of its divisors is an integer number (13384899).

Almost surely, 2^26769797 is an apocalyptic number.

It is an amenable number.

26769797 is a deficient number, since it is larger than the sum of its proper divisors (1).

26769797 is an equidigital number, since it uses as much as digits as its factorization.

26769797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000376, while the sum is 53.

The square root of 26769797 is about 5173.9537106549. The cubic root of 26769797 is about 299.1449616429.

The spelling of 26769797 in words is "twenty-six million, seven hundred sixty-nine thousand, seven hundred ninety-seven".