83424775 has 12 divisors (see below), whose sum is σ = 118225072. Its totient is φ = 57205440.

The previous prime is 83424769. The next prime is 83424857. The reversal of 83424775 is 57742438.

It is not a de Polignac number, because 83424775 - 2³ = 83424767 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238182 + ... + 238531.

Almost surely, 2^83424775 is an apocalyptic number.

83424775 is a deficient number, since it is larger than the sum of its proper divisors (34800297).

83424775 is a wasteful number, since it uses less digits than its factorization.

83424775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476730 (or 476725 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 83424775 is about 9133.7163849115. The cubic root of 83424775 is about 436.9499372750.

The spelling of 83424775 in words is "eighty-three million, four hundred twenty-four thousand, seven hundred seventy-five".