7945866670 has 16 divisors (see below), whose sum is σ = 16345783008. Its totient is φ = 2724297120.

The previous prime is 7945866659. The next prime is 7945866683. The reversal of 7945866670 is 766685497.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 56756121 + ... + 56756260.

It is an arithmetic number, because the mean of its divisors is an integer number (1021611438).

Almost surely, 2^7945866670 is an apocalyptic number.

7945866670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7945866670 is an abundant number, since it is smaller than the sum of its proper divisors (8399916338).

7945866670 is a wasteful number, since it uses less digits than its factorization.

7945866670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113512395.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The square root of 7945866670 is about 89139.5909234499. The cubic root of 7945866670 is about 1995.4786756821.

The spelling of 7945866670 in words is "seven billion, nine hundred forty-five million, eight hundred sixty-six thousand, six hundred seventy".