26213787547 has 2 divisors, whose sum is σ = 26213787548. Its totient is φ = 26213787546.

The previous prime is 26213787541. The next prime is 26213787563. The reversal of 26213787547 is 74578731262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26213787547 - 2⁷ = 26213787419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26213787494 and 26213787503.

It is not a weakly prime, because it can be changed into another prime (26213787541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13106893773 + 13106893774.

It is an arithmetic number, because the mean of its divisors is an integer number (13106893774).

Almost surely, 2^26213787547 is an apocalyptic number.

26213787547 is a deficient number, since it is larger than the sum of its proper divisors (1).

26213787547 is an equidigital number, since it uses as much as digits as its factorization.

26213787547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3951360, while the sum is 52.

The spelling of 26213787547 in words is "twenty-six billion, two hundred thirteen million, seven hundred eighty-seven thousand, five hundred forty-seven".