26464987 has 2 divisors, whose sum is σ = 26464988. Its totient is φ = 26464986.

The previous prime is 26464969. The next prime is 26464993. The reversal of 26464987 is 78946462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26464987 - 2⁷ = 26464859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26464957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13232493 + 13232494.

It is an arithmetic number, because the mean of its divisors is an integer number (13232494).

Almost surely, 2^26464987 is an apocalyptic number.

26464987 is a deficient number, since it is larger than the sum of its proper divisors (1).

26464987 is an equidigital number, since it uses as much as digits as its factorization.

26464987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 26464987 is about 5144.4131832504. The cubic root of 26464987 is about 298.0052361586.

The spelling of 26464987 in words is "twenty-six million, four hundred sixty-four thousand, nine hundred eighty-seven".