82484578 has 64 divisors (see below), whose sum is σ = 153280512. Its totient is φ = 32820480.

The previous prime is 82484573. The next prime is 82484593. The reversal of 82484578 is 87548428.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (82484573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369775 + ... + 369997.

It is an arithmetic number, because the mean of its divisors is an integer number (2395008).

Almost surely, 2^82484578 is an apocalyptic number.

82484578 is a deficient number, since it is larger than the sum of its proper divisors (70795934).

82484578 is a wasteful number, since it uses less digits than its factorization.

82484578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319.

The product of its digits is 573440, while the sum is 46.

The square root of 82484578 is about 9082.1020694551. The cubic root of 82484578 is about 435.3022570106.

The spelling of 82484578 in words is "eighty-two million, four hundred eighty-four thousand, five hundred seventy-eight".