8278047142 has 8 divisors (see below), whose sum is σ = 12421934496. Its totient is φ = 4137402312.

The previous prime is 8278047131. The next prime is 8278047143. The reversal of 8278047142 is 2417408728.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8278047143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804238 + ... + 814465.

It is an arithmetic number, because the mean of its divisors is an integer number (1552741812).

Almost surely, 2^8278047142 is an apocalyptic number.

8278047142 is a deficient number, since it is larger than the sum of its proper divisors (4143887354).

8278047142 is a wasteful number, since it uses less digits than its factorization.

8278047142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621262.

The product of its (nonzero) digits is 200704, while the sum is 43.

The square root of 8278047142 is about 90983.7740588947. The cubic root of 8278047142 is about 2022.9072230367.

The spelling of 8278047142 in words is "eight billion, two hundred seventy-eight million, forty-seven thousand, one hundred forty-two".