26470987 has 2 divisors, whose sum is σ = 26470988. Its totient is φ = 26470986.

The previous prime is 26470981. The next prime is 26471017. The reversal of 26470987 is 78907462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26470987 - 2³ = 26470979 is a prime.

It is not a weakly prime, because it can be changed into another prime (26470981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13235493 + 13235494.

It is an arithmetic number, because the mean of its divisors is an integer number (13235494).

Almost surely, 2^26470987 is an apocalyptic number.

26470987 is a deficient number, since it is larger than the sum of its proper divisors (1).

26470987 is an equidigital number, since it uses as much as digits as its factorization.

26470987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 26470987 is about 5144.9963070929. The cubic root of 26470987 is about 298.0277551735.

The spelling of 26470987 in words is "twenty-six million, four hundred seventy thousand, nine hundred eighty-seven".