26335772089 has 9 divisors (see below), whose sum is σ = 28949546479. Its totient is φ = 23939988160.

The previous prime is 26335772063. The next prime is 26335772101. The reversal of 26335772089 is 98027753362.

The square root of 26335772089 is 162283.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 12924279225 + 13411492864 = 113685^2 + 115808^2 .

It is not a de Polignac number, because 26335772089 - 2¹⁹ = 26335247801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26335772009) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1777737 + ... + 1792489.

Almost surely, 2^26335772089 is an apocalyptic number.

26335772089 is the 162283-rd square number.

26335772089 is the 81142-nd centered octagonal number.

It is an amenable number.

26335772089 is a deficient number, since it is larger than the sum of its proper divisors (2613774390).

26335772089 is an frugal number, since it uses more digits than its factorization.

26335772089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29528 (or 14764 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 26335772089 in words is "twenty-six billion, three hundred thirty-five million, seven hundred seventy-two thousand, eighty-nine".