26747488387 has 2 divisors, whose sum is σ = 26747488388. Its totient is φ = 26747488386.

The previous prime is 26747488351. The next prime is 26747488403. The reversal of 26747488387 is 78388474762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26747488387 - 2⁷ = 26747488259 is a prime.

It is not a weakly prime, because it can be changed into another prime (26747488087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13373744193 + 13373744194.

It is an arithmetic number, because the mean of its divisors is an integer number (13373744194).

Almost surely, 2^26747488387 is an apocalyptic number.

26747488387 is a deficient number, since it is larger than the sum of its proper divisors (1).

26747488387 is an equidigital number, since it uses as much as digits as its factorization.

26747488387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 101154816, while the sum is 64.

The spelling of 26747488387 in words is "twenty-six billion, seven hundred forty-seven million, four hundred eighty-eight thousand, three hundred eighty-seven".