84122475788 has 24 divisors (see below), whose sum is σ = 158828398512. Its totient is φ = 38754765504.

The previous prime is 84122475761. The next prime is 84122475803. The reversal of 84122475788 is 88757422148.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450295 + ... + 1507182.

It is an arithmetic number, because the mean of its divisors is an integer number (6617849938).

Almost surely, 2^84122475788 is an apocalyptic number.

It is an amenable number.

84122475788 is a deficient number, since it is larger than the sum of its proper divisors (74705922724).

84122475788 is a wasteful number, since it uses less digits than its factorization.

84122475788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958041 (or 2958039 counting only the distinct ones).

The product of its digits is 8028160, while the sum is 56.

The spelling of 84122475788 in words is "eighty-four billion, one hundred twenty-two million, four hundred seventy-five thousand, seven hundred eighty-eight".