26220703797 has 24 divisors (see below), whose sum is σ = 40609895040. Its totient is φ = 16243943040.

The previous prime is 26220703757. The next prime is 26220703799. The reversal of 26220703797 is 79730702262.

It is not a de Polignac number, because 26220703797 - 2¹⁴ = 26220687413 is a prime.

It is a super-2 number, since 2×26220703797² (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 (26220703799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1072579 + ... + 1096752.

It is an arithmetic number, because the mean of its divisors is an integer number (1692078960).

Almost surely, 2^26220703797 is an apocalyptic number.

It is an amenable number.

26220703797 is a deficient number, since it is larger than the sum of its proper divisors (14389191243).

26220703797 is a wasteful number, since it uses less digits than its factorization.

26220703797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169433 (or 2169430 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 26220703797 in words is "twenty-six billion, two hundred twenty million, seven hundred three thousand, seven hundred ninety-seven".