8719786142 has 8 divisors (see below), whose sum is σ = 13199676600. Its totient is φ = 4319893944.

The previous prime is 8719786139. The next prime is 8719786157. The reversal of 8719786142 is 2416879178.

It is a happy number.

8719786142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19999292 + ... + 19999727.

It is an arithmetic number, because the mean of its divisors is an integer number (1649959575).

Almost surely, 2^8719786142 is an apocalyptic number.

8719786142 is a deficient number, since it is larger than the sum of its proper divisors (4479890458).

8719786142 is a wasteful number, since it uses less digits than its factorization.

8719786142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39999130.

The product of its digits is 1354752, while the sum is 53.

The square root of 8719786142 is about 93379.7951486294. The cubic root of 8719786142 is about 2058.2681065261.

The spelling of 8719786142 in words is "eight billion, seven hundred nineteen million, seven hundred eighty-six thousand, one hundred forty-two".