26477640783 has 24 divisors (see below), whose sum is σ = 41730895440. Its totient is φ = 16043765760.

The previous prime is 26477640757. The next prime is 26477640803. The reversal of 26477640783 is 38704677462.

It is not a de Polignac number, because 26477640783 - 2⁵ = 26477640751 is a prime.

It is a super-2 number, since 2×26477640783² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26477640583) 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 23 ways as a sum of consecutive naturals, for example, 511183 + ... + 560591.

It is an arithmetic number, because the mean of its divisors is an integer number (1738787310).

Almost surely, 2^26477640783 is an apocalyptic number.

26477640783 is a deficient number, since it is larger than the sum of its proper divisors (15253254657).

26477640783 is a wasteful number, since it uses less digits than its factorization.

26477640783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54839 (or 54836 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 54.

The spelling of 26477640783 in words is "twenty-six billion, four hundred seventy-seven million, six hundred forty thousand, seven hundred eighty-three".