8142787078 has 16 divisors (see below), whose sum is σ = 12318621840. Its totient is φ = 4036658976.

The previous prime is 8142787073. The next prime is 8142787111. The reversal of 8142787078 is 8707872418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142787073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191100 + ... + 229792.

It is an arithmetic number, because the mean of its divisors is an integer number (769913865).

Almost surely, 2^8142787078 is an apocalyptic number.

8142787078 is a deficient number, since it is larger than the sum of its proper divisors (4175834762).

8142787078 is a wasteful number, since it uses less digits than its factorization.

8142787078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39591.

The product of its (nonzero) digits is 1404928, while the sum is 52.

The square root of 8142787078 is about 90237.3929033857. The cubic root of 8142787078 is about 2011.8288246947.

The spelling of 8142787078 in words is "eight billion, one hundred forty-two million, seven hundred eighty-seven thousand, seventy-eight".