82195910 has 8 divisors (see below), whose sum is σ = 147952656. Its totient is φ = 32878360.

The previous prime is 82195891. The next prime is 82195913. The reversal of 82195910 is 1959128.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82195913) 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, 4109786 + ... + 4109805.

It is an arithmetic number, because the mean of its divisors is an integer number (18494082).

Almost surely, 2^82195910 is an apocalyptic number.

82195910 is a deficient number, since it is larger than the sum of its proper divisors (65756746).

82195910 is a wasteful number, since it uses less digits than its factorization.

82195910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219598.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 82195910 is about 9066.1960049406. The cubic root of 82195910 is about 434.7938601393.

The spelling of 82195910 in words is "eighty-two million, one hundred ninety-five thousand, nine hundred ten".