8072878555 has 32 divisors (see below), whose sum is σ = 11681049600. Its totient is φ = 5232200832.

The previous prime is 8072878549. The next prime is 8072878573. The reversal of 8072878555 is 5558782708.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8072878555 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8072878496 and 8072878505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278109 + ... + 305761.

It is an arithmetic number, because the mean of its divisors is an integer number (365032800).

Almost surely, 2^8072878555 is an apocalyptic number.

8072878555 is a deficient number, since it is larger than the sum of its proper divisors (3608171045).

8072878555 is a wasteful number, since it uses less digits than its factorization.

8072878555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28123.

The product of its (nonzero) digits is 6272000, while the sum is 55.

The square root of 8072878555 is about 89849.1989669357. The cubic root of 8072878555 is about 2006.0548637310.

The spelling of 8072878555 in words is "eight billion, seventy-two million, eight hundred seventy-eight thousand, five hundred fifty-five".