7475878122 has 16 divisors (see below), whose sum is σ = 15022620192. Its totient is φ = 2480148720.

The previous prime is 7475878121. The next prime is 7475878147. The reversal of 7475878122 is 2218785747.

It is not an unprimeable number, because it can be changed into a prime (7475878121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2951293 + ... + 2953824.

It is an arithmetic number, because the mean of its divisors is an integer number (938913762).

Almost surely, 2^7475878122 is an apocalyptic number.

7475878122 is an abundant number, since it is smaller than the sum of its proper divisors (7546742070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7475878122 is a wasteful number, since it uses less digits than its factorization.

7475878122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905333.

The product of its digits is 1756160, while the sum is 51.

The square root of 7475878122 is about 86463.1604904655. The cubic root of 7475878122 is about 1955.3330343178. Note that the first 3 decimals are identical.

The spelling of 7475878122 in words is "seven billion, four hundred seventy-five million, eight hundred seventy-eight thousand, one hundred twenty-two".