26064023677 has 4 divisors (see below), whose sum is σ = 26089552636. Its totient is φ = 26038494720.

The previous prime is 26064023663. The next prime is 26064023707. The reversal of 26064023677 is 77632046062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77632046062 = 2 ⋅38816023031.

It can be written as a sum of positive squares in 2 ways, for example, as 8392575321 + 17671448356 = 91611^2 + 132934^2 .

It is a cyclic number.

It is not a de Polignac number, because 26064023677 - 2¹⁹ = 26063499389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26064020677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12762948 + ... + 12764989.

It is an arithmetic number, because the mean of its divisors is an integer number (6522388159).

Almost surely, 2^26064023677 is an apocalyptic number.

It is an amenable number.

26064023677 is a deficient number, since it is larger than the sum of its proper divisors (25528959).

26064023677 is a wasteful number, since it uses less digits than its factorization.

26064023677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25528958.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 26064023677 in words is "twenty-six billion, sixty-four million, twenty-three thousand, six hundred seventy-seven".