26340682477 has 16 divisors (see below), whose sum is σ = 27064290240. Its totient is φ = 25626212352.

The previous prime is 26340682427. The next prime is 26340682481. The reversal of 26340682477 is 77428604362.

It is a cyclic number.

It is not a de Polignac number, because 26340682477 - 2¹⁹ = 26340158189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26340682477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26340682427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4031149 + ... + 4037677.

It is an arithmetic number, because the mean of its divisors is an integer number (1691518140).

Almost surely, 2^26340682477 is an apocalyptic number.

It is an amenable number.

26340682477 is a deficient number, since it is larger than the sum of its proper divisors (723607763).

26340682477 is a wasteful number, since it uses less digits than its factorization.

26340682477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7212.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 26340682477 in words is "twenty-six billion, three hundred forty million, six hundred eighty-two thousand, four hundred seventy-seven".