83418503388 has 24 divisors (see below), whose sum is σ = 212338008960. Its totient is φ = 25278334320.

The previous prime is 83418503383. The next prime is 83418503407. The reversal of 83418503388 is 88330581438.

It is a self number, because there is not a number n which added to its sum of digits gives 83418503388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83418503383) by changing a digit.

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, 315979048 + ... + 315979311.

It is an arithmetic number, because the mean of its divisors is an integer number (8847417040).

Almost surely, 2^83418503388 is an apocalyptic number.

It is an amenable number.

83418503388 is an abundant number, since it is smaller than the sum of its proper divisors (128919505572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83418503388 is a wasteful number, since it uses less digits than its factorization.

83418503388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631958377 (or 631958375 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 83418503388 in words is "eighty-three billion, four hundred eighteen million, five hundred three thousand, three hundred eighty-eight".