26297769916 has 12 divisors (see below), whose sum is σ = 50204833560. Its totient is φ = 11953531760.

The previous prime is 26297769913. The next prime is 26297769961. The reversal of 26297769916 is 61996779262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26297769913) 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, 298838251 + ... + 298838338.

It is an arithmetic number, because the mean of its divisors is an integer number (4183736130).

Almost surely, 2^26297769916 is an apocalyptic number.

It is an amenable number.

26297769916 is a deficient number, since it is larger than the sum of its proper divisors (23907063644).

26297769916 is a wasteful number, since it uses less digits than its factorization.

26297769916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597676604 (or 597676602 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 64.

The spelling of 26297769916 in words is "twenty-six billion, two hundred ninety-seven million, seven hundred sixty-nine thousand, nine hundred sixteen".