83424771 has 6 divisors (see below), whose sum is σ = 120502460. Its totient is φ = 55616508.

The previous prime is 83424769. The next prime is 83424857. The reversal of 83424771 is 17742438.

It is a happy number.

It is not a de Polignac number, because 83424771 - 2¹ = 83424769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83424371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4634701 + ... + 4634718.

Almost surely, 2^83424771 is an apocalyptic number.

83424771 is a deficient number, since it is larger than the sum of its proper divisors (37077689).

83424771 is a wasteful number, since it uses less digits than its factorization.

83424771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9269425 (or 9269422 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 83424771 is about 9133.7161659425. The cubic root of 83424771 is about 436.9499302914.

The spelling of 83424771 in words is "eighty-three million, four hundred twenty-four thousand, seven hundred seventy-one".