26784700852 has 36 divisors (see below), whose sum is σ = 58720311300. Its totient is φ = 10596144384.

The previous prime is 26784700841. The next prime is 26784700883. The reversal of 26784700852 is 25800748762.

It can be written as a sum of positive squares in 2 ways, for example, as 7764429456 + 19020271396 = 88116^2 + 137914^2 .

It is a super-2 number, since 2×26784700852² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 26784700796 and 26784700805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5253477 + ... + 5258572.

Almost surely, 2^26784700852 is an apocalyptic number.

It is an amenable number.

26784700852 is an abundant number, since it is smaller than the sum of its proper divisors (31935610448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26784700852 is a wasteful number, since it uses less digits than its factorization.

26784700852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10512080 (or 10512071 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 26784700852 in words is "twenty-six billion, seven hundred eighty-four million, seven hundred thousand, eight hundred fifty-two".