26677594943977 has 2 divisors, whose sum is σ = 26677594943978. Its totient is φ = 26677594943976.

The previous prime is 26677594943963. The next prime is 26677594944001. The reversal of 26677594943977 is 77934949577662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23788533267801 + 2889061676176 = 4877349^2 + 1699724^2 .

It is a cyclic number.

It is not a de Polignac number, because 26677594943977 - 2²³ = 26677586555369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26677594943894 and 26677594943903.

It is not a weakly prime, because it can be changed into another prime (26677594943177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13338797471988 + 13338797471989.

It is an arithmetic number, because the mean of its divisors is an integer number (13338797471989).

Almost surely, 2^{26677594943977} is an apocalyptic number.

It is an amenable number.

26677594943977 is a deficient number, since it is larger than the sum of its proper divisors (1).

26677594943977 is an equidigital number, since it uses as much as digits as its factorization.

26677594943977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30245685120, while the sum is 85.

The spelling of 26677594943977 in words is "twenty-six trillion, six hundred seventy-seven billion, five hundred ninety-four million, nine hundred forty-three thousand, nine hundred seventy-seven".