26230788977 has 2 divisors, whose sum is σ = 26230788978. Its totient is φ = 26230788976.

The previous prime is 26230788967. The next prime is 26230789009. The reversal of 26230788977 is 77988703262.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22509300961 + 3721488016 = 150031^2 + 61004^2 .

It is a cyclic number.

It is not a de Polignac number, because 26230788977 - 2⁸ = 26230788721 is a prime.

It is not a weakly prime, because it can be changed into another prime (26230788967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13115394488 + 13115394489.

It is an arithmetic number, because the mean of its divisors is an integer number (13115394489).

Almost surely, 2^26230788977 is an apocalyptic number.

It is an amenable number.

26230788977 is a deficient number, since it is larger than the sum of its proper divisors (1).

26230788977 is an equidigital number, since it uses as much as digits as its factorization.

26230788977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 26230788977 in words is "twenty-six billion, two hundred thirty million, seven hundred eighty-eight thousand, nine hundred seventy-seven".