8072878378 has 8 divisors (see below), whose sum is σ = 12176220420. Its totient is φ = 4014138240.

The previous prime is 8072878321. The next prime is 8072878391. The reversal of 8072878378 is 8738782708.

It can be written as a sum of positive squares in 2 ways, for example, as 7857581449 + 215296929 = 88643^2 + 14673^2 .

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

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, 11150023 + ... + 11150746.

Almost surely, 2^8072878378 is an apocalyptic number.

8072878378 is a deficient number, since it is larger than the sum of its proper divisors (4103342042).

8072878378 is a wasteful number, since it uses less digits than its factorization.

8072878378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22300952.

The product of its (nonzero) digits is 8429568, while the sum is 58.

The square root of 8072878378 is about 89849.1979819520. The cubic root of 8072878378 is about 2006.0548490699.

The spelling of 8072878378 in words is "eight billion, seventy-two million, eight hundred seventy-eight thousand, three hundred seventy-eight".