83394427147 has 2 divisors, whose sum is σ = 83394427148. Its totient is φ = 83394427146.

The previous prime is 83394427139. The next prime is 83394427183. The reversal of 83394427147 is 74172449338.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83394427147 - 2³ = 83394427139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83394427094 and 83394427103.

It is not a weakly prime, because it can be changed into another prime (83394427117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41697213573 + 41697213574.

It is an arithmetic number, because the mean of its divisors is an integer number (41697213574).

Almost surely, 2^83394427147 is an apocalyptic number.

83394427147 is a deficient number, since it is larger than the sum of its proper divisors (1).

83394427147 is an equidigital number, since it uses as much as digits as its factorization.

83394427147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 52.

The spelling of 83394427147 in words is "eighty-three billion, three hundred ninety-four million, four hundred twenty-seven thousand, one hundred forty-seven".