83127515077618 has 16 divisors (see below), whose sum is σ = 136027506841920. Its totient is φ = 37785049685200.

The previous prime is 83127515077613. The next prime is 83127515077631. The reversal of 83127515077618 is 81677051572138.

It is not an unprimeable number, because it can be changed into a prime (83127515077613) 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 7 ways as a sum of consecutive naturals, for example, 4560253 + ... + 13676656.

It is an arithmetic number, because the mean of its divisors is an integer number (8501719177620).

Almost surely, 2^{83127515077618} is an apocalyptic number.

83127515077618 is a deficient number, since it is larger than the sum of its proper divisors (52899991764302).

83127515077618 is a wasteful number, since it uses less digits than its factorization.

83127515077618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18444113.

The product of its (nonzero) digits is 19756800, while the sum is 61.

The spelling of 83127515077618 in words is "eighty-three trillion, one hundred twenty-seven billion, five hundred fifteen million, seventy-seven thousand, six hundred eighteen".