7850274666 has 32 divisors (see below), whose sum is σ = 16926997248. Its totient is φ = 2412795840.

The previous prime is 7850274629. The next prime is 7850274673. The reversal of 7850274666 is 6664720587.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15820 + ... + 126296.

It is an arithmetic number, because the mean of its divisors is an integer number (528968664).

Almost surely, 2^7850274666 is an apocalyptic number.

7850274666 is an abundant number, since it is smaller than the sum of its proper divisors (9076722582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7850274666 is a wasteful number, since it uses less digits than its factorization.

7850274666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111406.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The square root of 7850274666 is about 88601.7757496993. The cubic root of 7850274666 is about 1987.4442301031. Note that the first 3 decimals are identical.

The spelling of 7850274666 in words is "seven billion, eight hundred fifty million, two hundred seventy-four thousand, six hundred sixty-six".