26490377 has 2 divisors, whose sum is σ = 26490378. Its totient is φ = 26490376.

The previous prime is 26490361. The next prime is 26490391. The reversal of 26490377 is 77309462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26327161 + 163216 = 5131^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 26490377 - 2⁴ = 26490361 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26490377.

It is not a weakly prime, because it can be changed into another prime (26490677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13245188 + 13245189.

It is an arithmetic number, because the mean of its divisors is an integer number (13245189).

Almost surely, 2^26490377 is an apocalyptic number.

It is an amenable number.

26490377 is a deficient number, since it is larger than the sum of its proper divisors (1).

26490377 is an equidigital number, since it uses as much as digits as its factorization.

26490377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 26490377 is about 5146.8803172407. The cubic root of 26490377 is about 298.1005058643.

The spelling of 26490377 in words is "twenty-six million, four hundred ninety thousand, three hundred seventy-seven".