26085602765 has 8 divisors (see below), whose sum is σ = 31332232728. Its totient is φ = 20848809280.

The previous prime is 26085602701. The next prime is 26085602779. The reversal of 26085602765 is 56720658062.

It can be written as a sum of positive squares in 4 ways, for example, as 479522404 + 25606080361 = 21898^2 + 160019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26085602765 - 2⁶ = 26085602701 is a prime.

It is a super-2 number, since 2×26085602765² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2453282 + ... + 2463891.

It is an arithmetic number, because the mean of its divisors is an integer number (3916529091).

Almost surely, 2^26085602765 is an apocalyptic number.

It is an amenable number.

26085602765 is a deficient number, since it is larger than the sum of its proper divisors (5246629963).

26085602765 is a wasteful number, since it uses less digits than its factorization.

26085602765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918239.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 26085602765 in words is "twenty-six billion, eighty-five million, six hundred two thousand, seven hundred sixty-five".