7846666487 has 8 divisors (see below), whose sum is σ = 8563793040. Its totient is φ = 7130172160.

The previous prime is 7846666481. The next prime is 7846666507.

7846666487 is nontrivially palindromic in base 10.

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 7846666487 - 2¹⁴ = 7846650103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7846666481) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 131912 + ... + 181917.

It is an arithmetic number, because the mean of its divisors is an integer number (1070474130).

Almost surely, 2^7846666487 is an apocalyptic number.

7846666487 is a deficient number, since it is larger than the sum of its proper divisors (717126553).

7846666487 is a wasteful number, since it uses less digits than its factorization.

7846666487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316113.

The product of its digits is 65028096, while the sum is 62.

The square root of 7846666487 is about 88581.4116335927. The cubic root of 7846666487 is about 1987.1396907172.

The spelling of 7846666487 in words is "seven billion, eight hundred forty-six million, six hundred sixty-six thousand, four hundred eighty-seven".