83427424727 has 2 divisors, whose sum is σ = 83427424728. Its totient is φ = 83427424726.

The previous prime is 83427424697. The next prime is 83427424733. The reversal of 83427424727 is 72742472438.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83427424727 - 2³⁰ = 82353682903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83427474727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41713712363 + 41713712364.

It is an arithmetic number, because the mean of its divisors is an integer number (41713712364).

Almost surely, 2^83427424727 is an apocalyptic number.

83427424727 is a deficient number, since it is larger than the sum of its proper divisors (1).

83427424727 is an equidigital number, since it uses as much as digits as its factorization.

83427424727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4214784, while the sum is 50.

The spelling of 83427424727 in words is "eighty-three billion, four hundred twenty-seven million, four hundred twenty-four thousand, seven hundred twenty-seven".