82195718 has 8 divisors (see below), whose sum is σ = 134502120. Its totient is φ = 37361680.

The previous prime is 82195717. The next prime is 82195741. The reversal of 82195718 is 81759128.

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

It is a super-2 number, since 2×82195718² = 13512272115071048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82195717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868063 + ... + 1868106.

It is an arithmetic number, because the mean of its divisors is an integer number (16812765).

Almost surely, 2^82195718 is an apocalyptic number.

82195718 is a deficient number, since it is larger than the sum of its proper divisors (52306402).

82195718 is a wasteful number, since it uses less digits than its factorization.

82195718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736182.

The product of its digits is 40320, while the sum is 41.

The square root of 82195718 is about 9066.1854161494. The cubic root of 82195718 is about 434.7935215965.

The spelling of 82195718 in words is "eighty-two million, one hundred ninety-five thousand, seven hundred eighteen".