83378736883428 has 108 divisors (see below), whose sum is σ = 238851870928272. Its totient is φ = 22568680602720.

The previous prime is 83378736883427. The next prime is 83378736883459. The reversal of 83378736883428 is 82438863787338.

It is a super-2 number, since 2×83378736883428² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83378736883427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 196187418 + ... + 196611953.

It is an arithmetic number, because the mean of its divisors is an integer number (2211591397484).

Almost surely, 2^{83378736883428} is an apocalyptic number.

It is an amenable number.

83378736883428 is an abundant number, since it is smaller than the sum of its proper divisors (155473134044844).

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

83378736883428 is a wasteful number, since it uses less digits than its factorization.

83378736883428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392799430 (or 392799402 counting only the distinct ones).

The product of its digits is 6242697216, while the sum is 78.

The spelling of 83378736883428 in words is "eighty-three trillion, three hundred seventy-eight billion, seven hundred thirty-six million, eight hundred eighty-three thousand, four hundred twenty-eight".