82428116 has 6 divisors (see below), whose sum is σ = 144249210. Its totient is φ = 41214056.

The previous prime is 82428107. The next prime is 82428127. The reversal of 82428116 is 61182428.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82264900 + 163216 = 9070^2 + 404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10303511 + ... + 10303518.

It is an arithmetic number, because the mean of its divisors is an integer number (24041535).

Almost surely, 2^82428116 is an apocalyptic number.

It is an amenable number.

82428116 is a deficient number, since it is larger than the sum of its proper divisors (61821094).

82428116 is a wasteful number, since it uses less digits than its factorization.

82428116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20607033 (or 20607031 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 82428116 is about 9078.9931159793. The cubic root of 82428116 is about 435.2029105761.

The spelling of 82428116 in words is "eighty-two million, four hundred twenty-eight thousand, one hundred sixteen".