8179047742 has 8 divisors (see below), whose sum is σ = 12269010600. Its totient is φ = 4089377544.

The previous prime is 8179047739. The next prime is 8179047791. The reversal of 8179047742 is 2477409718.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20884 + ... + 129592.

It is an arithmetic number, because the mean of its divisors is an integer number (1533626325).

Almost surely, 2^8179047742 is an apocalyptic number.

8179047742 is a deficient number, since it is larger than the sum of its proper divisors (4089962858).

8179047742 is a wasteful number, since it uses less digits than its factorization.

8179047742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146330.

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 8179047742 is about 90438.0878944264. The cubic root of 8179047742 is about 2014.8106960721.

The spelling of 8179047742 in words is "eight billion, one hundred seventy-nine million, forty-seven thousand, seven hundred forty-two".