82195893506 has 8 divisors (see below), whose sum is σ = 125917113600. Its totient is φ = 40223522308.

The previous prime is 82195893491. The next prime is 82195893581. The reversal of 82195893506 is 60539859128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437212106 + ... + 437212293.

It is an arithmetic number, because the mean of its divisors is an integer number (15739639200).

Almost surely, 2^82195893506 is an apocalyptic number.

82195893506 is a deficient number, since it is larger than the sum of its proper divisors (43721220094).

82195893506 is a wasteful number, since it uses less digits than its factorization.

82195893506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874424448.

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 82195893506 in words is "eighty-two billion, one hundred ninety-five million, eight hundred ninety-three thousand, five hundred six".