26365987 has 2 divisors, whose sum is σ = 26365988. Its totient is φ = 26365986.

The previous prime is 26365943. The next prime is 26365991. The reversal of 26365987 is 78956362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26365987 is a prime.

It is not a weakly prime, because it can be changed into another prime (26365187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13182993 + 13182994.

It is an arithmetic number, because the mean of its divisors is an integer number (13182994).

Almost surely, 2^26365987 is an apocalyptic number.

26365987 is a deficient number, since it is larger than the sum of its proper divisors (1).

26365987 is an equidigital number, since it uses as much as digits as its factorization.

26365987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 26365987 is about 5134.7820791149. The cubic root of 26365987 is about 297.6331800200.

The spelling of 26365987 in words is "twenty-six million, three hundred sixty-five thousand, nine hundred eighty-seven".