26564463285 has 8 divisors (see below), whose sum is σ = 42503141280. Its totient is φ = 14167713744.

The previous prime is 26564463269. The next prime is 26564463307. The reversal of 26564463285 is 58236446562.

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

It is not a de Polignac number, because 26564463285 - 2⁴ = 26564463269 is a prime.

It is a super-2 number, since 2×26564463285² (a number of 22 digits) contains 22 as substring.

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, 885482095 + ... + 885482124.

It is an arithmetic number, because the mean of its divisors is an integer number (5312892660).

Almost surely, 2^26564463285 is an apocalyptic number.

It is an amenable number.

26564463285 is a deficient number, since it is larger than the sum of its proper divisors (15938677995).

26564463285 is a wasteful number, since it uses less digits than its factorization.

26564463285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770964227.

The product of its digits is 8294400, while the sum is 51.

The spelling of 26564463285 in words is "twenty-six billion, five hundred sixty-four million, four hundred sixty-three thousand, two hundred eighty-five".