26512903779 has 16 divisors (see below), whose sum is σ = 36328520448. Its totient is φ = 17186872032.

The previous prime is 26512903777. The next prime is 26512903793. The reversal of 26512903779 is 97730921562.

It is not a de Polignac number, because 26512903779 - 2¹ = 26512903777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26512903777) 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, 107194 + ... + 254000.

It is an arithmetic number, because the mean of its divisors is an integer number (2270532528).

Almost surely, 2^26512903779 is an apocalyptic number.

26512903779 is a deficient number, since it is larger than the sum of its proper divisors (9815616669).

26512903779 is a wasteful number, since it uses less digits than its factorization.

26512903779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148474.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 26512903779 in words is "twenty-six billion, five hundred twelve million, nine hundred three thousand, seven hundred seventy-nine".