83121351247418 has 32 divisors (see below), whose sum is σ = 141933328883712. Its totient is φ = 36139004902000.

The previous prime is 83121351247393. The next prime is 83121351247471. The reversal of 83121351247418 is 81474215312138.

It is an unprimeable number.

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, 24465743 + ... + 27655293.

It is an arithmetic number, because the mean of its divisors is an integer number (4435416527616).

Almost surely, 2^{83121351247418} is an apocalyptic number.

83121351247418 is a deficient number, since it is larger than the sum of its proper divisors (58811977636294).

83121351247418 is a wasteful number, since it uses less digits than its factorization.

83121351247418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241090.

The product of its digits is 1290240, while the sum is 50.

The spelling of 83121351247418 in words is "eighty-three trillion, one hundred twenty-one billion, three hundred fifty-one million, two hundred forty-seven thousand, four hundred eighteen".