7649985873 has 8 divisors (see below), whose sum is σ = 10799980128. Its totient is φ = 4799991104.

The previous prime is 7649985859. The next prime is 7649985899. The reversal of 7649985873 is 3785899467.

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 7649985873 - 2⁴ = 7649985857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7649985823) 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, 74999811 + ... + 74999912.

It is an arithmetic number, because the mean of its divisors is an integer number (1349997516).

Almost surely, 2^7649985873 is an apocalyptic number.

It is an amenable number.

7649985873 is a deficient number, since it is larger than the sum of its proper divisors (3149994255).

7649985873 is a wasteful number, since it uses less digits than its factorization.

7649985873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149999743.

The product of its digits is 91445760, while the sum is 66.

The square root of 7649985873 is about 87464.1976639585. The cubic root of 7649985873 is about 1970.3961233715.

The spelling of 7649985873 in words is "seven billion, six hundred forty-nine million, nine hundred eighty-five thousand, eight hundred seventy-three".