83373445261820 has 24 divisors (see below), whose sum is σ = 200096268628704. Its totient is φ = 28585181232576.

The previous prime is 83373445261787. The next prime is 83373445261829. The reversal of 83373445261820 is 2816254437338.

It is a super-2 number, since 2×83373445261820² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83373445261829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297762304367 + ... + 297762304646.

It is an arithmetic number, because the mean of its divisors is an integer number (8337344526196).

Almost surely, 2^{83373445261820} is an apocalyptic number.

It is an amenable number.

83373445261820 is an abundant number, since it is smaller than the sum of its proper divisors (116722823366884).

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

83373445261820 is a wasteful number, since it uses less digits than its factorization.

83373445261820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595524609029 (or 595524609027 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 83373445261820 in words is "eighty-three trillion, three hundred seventy-three billion, four hundred forty-five million, two hundred sixty-one thousand, eight hundred twenty".