7826738364 has 36 divisors (see below), whose sum is σ = 19824593880. Its totient is φ = 2603593440.

The previous prime is 7826738363. The next prime is 7826738401. The reversal of 7826738364 is 4638376287.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×7826738364² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7826738364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7826738363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203719 + ... + 239070.

Almost surely, 2^7826738364 is an apocalyptic number.

It is an amenable number.

7826738364 is an abundant number, since it is smaller than the sum of its proper divisors (11997855516).

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

7826738364 is a wasteful number, since it uses less digits than its factorization.

7826738364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443290 (or 443285 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 7826738364 is about 88468.8553333884. The cubic root of 7826738364 is about 1985.4560230715.

The spelling of 7826738364 in words is "seven billion, eight hundred twenty-six million, seven hundred thirty-eight thousand, three hundred sixty-four".