7682521679 has 8 divisors (see below), whose sum is σ = 8900299680. Its totient is φ = 6494812416.

The previous prime is 7682521669. The next prime is 7682521681. The reversal of 7682521679 is 9761252867.

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

It is a cyclic number.

It is not a de Polignac number, because 7682521679 - 2⁸ = 7682521423 is a prime.

It is a super-2 number, since 2×7682521679² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7682521679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7682521669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7516634 + ... + 7517655.

It is an arithmetic number, because the mean of its divisors is an integer number (1112537460).

Almost surely, 2^7682521679 is an apocalyptic number.

7682521679 is a deficient number, since it is larger than the sum of its proper divisors (1217778001).

7682521679 is a wasteful number, since it uses less digits than its factorization.

7682521679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15034369.

The product of its digits is 2540160, while the sum is 53.

The square root of 7682521679 is about 87649.9953166000. The cubic root of 7682521679 is about 1973.1855731680.

The spelling of 7682521679 in words is "seven billion, six hundred eighty-two million, five hundred twenty-one thousand, six hundred seventy-nine".