147840776818 has 32 divisors (see below), whose sum is σ = 256065131520. Its totient is φ = 62705741760.

The previous prime is 147840776813. The next prime is 147840776851. The reversal of 147840776818 is 818677048741.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (147840776813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260808 + ... + 1373068.

It is an arithmetic number, because the mean of its divisors is an integer number (8002035360).

Almost surely, 2^147840776818 is an apocalyptic number.

147840776818 is a deficient number, since it is larger than the sum of its proper divisors (108224354702).

147840776818 is a wasteful number, since it uses less digits than its factorization.

147840776818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113242.

The product of its (nonzero) digits is 16859136, while the sum is 61.

The spelling of 147840776818 in words is "one hundred forty-seven billion, eight hundred forty million, seven hundred seventy-six thousand, eight hundred eighteen".