83428167 has 4 divisors (see below), whose sum is σ = 111237560. Its totient is φ = 55618776.

The previous prime is 83428159. The next prime is 83428211. The reversal of 83428167 is 76182438.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83428167 - 2³ = 83428159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83421167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13904692 + ... + 13904697.

It is an arithmetic number, because the mean of its divisors is an integer number (27809390).

Almost surely, 2^83428167 is an apocalyptic number.

83428167 is a deficient number, since it is larger than the sum of its proper divisors (27809393).

83428167 is a wasteful number, since it uses less digits than its factorization.

83428167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27809392.

The product of its digits is 64512, while the sum is 39.

The square root of 83428167 is about 9133.9020686670. The cubic root of 83428167 is about 436.9558592332.

The spelling of 83428167 in words is "eighty-three million, four hundred twenty-eight thousand, one hundred sixty-seven".