7664782485 has 8 divisors (see below), whose sum is σ = 12263652000. Its totient is φ = 4087883984.

The previous prime is 7664782483. The next prime is 7664782549. The reversal of 7664782485 is 5842874667.

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 7664782485 - 2¹ = 7664782483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664782483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255492735 + ... + 255492764.

It is an arithmetic number, because the mean of its divisors is an integer number (1532956500).

Almost surely, 2^7664782485 is an apocalyptic number.

It is an amenable number.

7664782485 is a deficient number, since it is larger than the sum of its proper divisors (4598869515).

7664782485 is a wasteful number, since it uses less digits than its factorization.

7664782485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510985507.

The product of its digits is 18063360, while the sum is 57.

The square root of 7664782485 is about 87548.7434804178. The cubic root of 7664782485 is about 1971.6656860543.

The spelling of 7664782485 in words is "seven billion, six hundred sixty-four million, seven hundred eighty-two thousand, four hundred eighty-five".