26994396587 has 2 divisors, whose sum is σ = 26994396588. Its totient is φ = 26994396586.

The previous prime is 26994396581. The next prime is 26994396593. The reversal of 26994396587 is 78569349962.

It is a balanced prime because it is at equal distance from previous prime (26994396581) and next prime (26994396593).

It is a cyclic number.

It is not a de Polignac number, because 26994396587 - 2⁴ = 26994396571 is a prime.

It is not a weakly prime, because it can be changed into another prime (26994396581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13497198293 + 13497198294.

It is an arithmetic number, because the mean of its divisors is an integer number (13497198294).

Almost surely, 2^26994396587 is an apocalyptic number.

26994396587 is a deficient number, since it is larger than the sum of its proper divisors (1).

26994396587 is an equidigital number, since it uses as much as digits as its factorization.

26994396587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176359680, while the sum is 68.

The spelling of 26994396587 in words is "twenty-six billion, nine hundred ninety-four million, three hundred ninety-six thousand, five hundred eighty-seven".