26294946877 has 4 divisors (see below), whose sum is σ = 27841708476. Its totient is φ = 24748185280.

The previous prime is 26294946859. The next prime is 26294946893. The reversal of 26294946877 is 77864949262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77864949262 = 2 ⋅38932474631.

It can be written as a sum of positive squares in 2 ways, for example, as 22576264516 + 3718682361 = 150254^2 + 60981^2 .

It is a cyclic number.

It is not a de Polignac number, because 26294946877 - 2⁷ = 26294946749 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 (26294946827) 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, 773380774 + ... + 773380807.

It is an arithmetic number, because the mean of its divisors is an integer number (6960427119).

Almost surely, 2^26294946877 is an apocalyptic number.

It is an amenable number.

26294946877 is a deficient number, since it is larger than the sum of its proper divisors (1546761599).

26294946877 is a wasteful number, since it uses less digits than its factorization.

26294946877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546761598.

The product of its digits is 73156608, while the sum is 64.

The spelling of 26294946877 in words is "twenty-six billion, two hundred ninety-four million, nine hundred forty-six thousand, eight hundred seventy-seven".