83378736883427 has 2 divisors, whose sum is σ = 83378736883428. Its totient is φ = 83378736883426.

The previous prime is 83378736883313. The next prime is 83378736883459. The reversal of 83378736883427 is 72438863787338.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83378736883427 - 2²⁰ = 83378735834851 is a prime.

It is not a weakly prime, because it can be changed into another prime (83378736883627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41689368441713 + 41689368441714.

It is an arithmetic number, because the mean of its divisors is an integer number (41689368441714).

Almost surely, 2^{83378736883427} is an apocalyptic number.

83378736883427 is a deficient number, since it is larger than the sum of its proper divisors (1).

83378736883427 is an equidigital number, since it uses as much as digits as its factorization.

83378736883427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5462360064, while the sum is 77.

The spelling of 83378736883427 in words is "eighty-three trillion, three hundred seventy-eight billion, seven hundred thirty-six million, eight hundred eighty-three thousand, four hundred twenty-seven".