8075378815 has 16 divisors (see below), whose sum is σ = 11214996480. Its totient is φ = 5467307040.

The previous prime is 8075378659. The next prime is 8075378851. The reversal of 8075378815 is 5188735708.

It is not a de Polignac number, because 8075378815 - 2⁹ = 8075378303 is a prime.

It is a super-4 number, since 4×8075378815⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457521 + ... + 1463050.

It is an arithmetic number, because the mean of its divisors is an integer number (700937280).

Almost surely, 2^8075378815 is an apocalyptic number.

8075378815 is a deficient number, since it is larger than the sum of its proper divisors (3139617665).

8075378815 is a wasteful number, since it uses less digits than its factorization.

8075378815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920662.

The product of its (nonzero) digits is 1881600, while the sum is 52.

The square root of 8075378815 is about 89863.1115363807. Note that the first 3 decimals coincide. The cubic root of 8075378815 is about 2006.2619414991.

The spelling of 8075378815 in words is "eight billion, seventy-five million, three hundred seventy-eight thousand, eight hundred fifteen".