8785400878 has 16 divisors (see below), whose sum is σ = 13271590800. Its totient is φ = 4361560000.

The previous prime is 8785400831. The next prime is 8785400891. The reversal of 8785400878 is 8780045878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251378 + ... + 1258378.

It is an arithmetic number, because the mean of its divisors is an integer number (829474425).

Almost surely, 2^8785400878 is an apocalyptic number.

8785400878 is a deficient number, since it is larger than the sum of its proper divisors (4486189922).

8785400878 is a wasteful number, since it uses less digits than its factorization.

8785400878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363.

The product of its (nonzero) digits is 4014080, while the sum is 55.

The square root of 8785400878 is about 93730.4693149458. The cubic root of 8785400878 is about 2063.4179032680.

The spelling of 8785400878 in words is "eight billion, seven hundred eighty-five million, four hundred thousand, eight hundred seventy-eight".