7705894142 has 8 divisors (see below), whose sum is σ = 11559416256. Its totient is φ = 3852755392.

The previous prime is 7705894139. The next prime is 7705894219. The reversal of 7705894142 is 2414985077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38798 + ... + 130065.

It is an arithmetic number, because the mean of its divisors is an integer number (1444927032).

Almost surely, 2^7705894142 is an apocalyptic number.

7705894142 is a deficient number, since it is larger than the sum of its proper divisors (3853522114).

7705894142 is a wasteful number, since it uses less digits than its factorization.

7705894142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191682.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 7705894142 is about 87783.2224402818. Note that the first 3 decimals coincide. The cubic root of 7705894142 is about 1975.1845486470.

The spelling of 7705894142 in words is "seven billion, seven hundred five million, eight hundred ninety-four thousand, one hundred forty-two".