82427008 has 16 divisors (see below), whose sum is σ = 164210310. Its totient is φ = 41213440.

The previous prime is 82427003. The next prime is 82427017. The reversal of 82427008 is 80072428.

It can be written as a sum of positive squares in only one way, i.e., 73136704 + 9290304 = 8552^2 + 3048^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (82427003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321853 + ... + 322108.

Almost surely, 2^82427008 is an apocalyptic number.

It is an amenable number.

82427008 is a deficient number, since it is larger than the sum of its proper divisors (81783302).

82427008 is an equidigital number, since it uses as much as digits as its factorization.

82427008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643975 (or 643963 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 82427008 is about 9078.9320957919. The cubic root of 82427008 is about 435.2009605659.

The spelling of 82427008 in words is "eighty-two million, four hundred twenty-seven thousand, eight".