7825500647 has 4 divisors (see below), whose sum is σ = 7932699360. Its totient is φ = 7718301936.

The previous prime is 7825500643. The next prime is 7825500653. The reversal of 7825500647 is 7460055287.

7825500647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7825500647 - 2² = 7825500643 is a prime.

It is a super-2 number, since 2×7825500647² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7825500598 and 7825500607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7825500643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53599247 + ... + 53599392.

It is an arithmetic number, because the mean of its divisors is an integer number (1983174840).

Almost surely, 2^7825500647 is an apocalyptic number.

7825500647 is a deficient number, since it is larger than the sum of its proper divisors (107198713).

7825500647 is a wasteful number, since it uses less digits than its factorization.

7825500647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107198712.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 7825500647 is about 88461.8598436637. The cubic root of 7825500647 is about 1985.3513578368.

The spelling of 7825500647 in words is "seven billion, eight hundred twenty-five million, five hundred thousand, six hundred forty-seven".