8148427477742 has 32 divisors (see below), whose sum is σ = 13165854234624. Its totient is φ = 3771255232800.

The previous prime is 8148427477717. The next prime is 8148427477777. The reversal of 8148427477742 is 2477747248418.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 74355353 + ... + 74464859.

It is an arithmetic number, because the mean of its divisors is an integer number (411432944832).

Almost surely, 2^{8148427477742} is an apocalyptic number.

8148427477742 is a deficient number, since it is larger than the sum of its proper divisors (5017426756882).

8148427477742 is a wasteful number, since it uses less digits than its factorization.

8148427477742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161744.

The product of its digits is 157351936, while the sum is 65.

The spelling of 8148427477742 in words is "eight trillion, one hundred forty-eight billion, four hundred twenty-seven million, four hundred seventy-seven thousand, seven hundred forty-two".