8955557878 has 16 divisors (see below), whose sum is σ = 13666129056. Its totient is φ = 4400585280.

The previous prime is 8955557873. The next prime is 8955557879. The reversal of 8955557878 is 8787555598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8955557873) 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, 56301 + ... + 145192.

It is an arithmetic number, because the mean of its divisors is an integer number (854133066).

Almost surely, 2^8955557878 is an apocalyptic number.

8955557878 is a deficient number, since it is larger than the sum of its proper divisors (4710571178).

8955557878 is a wasteful number, since it uses less digits than its factorization.

8955557878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201879.

The product of its digits is 141120000, while the sum is 67.

The square root of 8955557878 is about 94633.8093812143. The cubic root of 8955557878 is about 2076.6543445334.

The spelling of 8955557878 in words is "eight billion, nine hundred fifty-five million, five hundred fifty-seven thousand, eight hundred seventy-eight".