82641002 has 4 divisors (see below), whose sum is σ = 123961506. Its totient is φ = 41320500.

The previous prime is 82640977. The next prime is 82641019. The reversal of 82641002 is 20014628.

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

It can be written as a sum of positive squares in only one way, i.e., 54007801 + 28633201 = 7349^2 + 5351^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20660249 + ... + 20660252.

Almost surely, 2^82641002 is an apocalyptic number.

82641002 is a deficient number, since it is larger than the sum of its proper divisors (41320504).

82641002 is a wasteful number, since it uses less digits than its factorization.

82641002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41320503.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 82641002 is about 9090.7096532669. The cubic root of 82641002 is about 435.5772527495.

The spelling of 82641002 in words is "eighty-two million, six hundred forty-one thousand, two".