82358015 has 4 divisors (see below), whose sum is σ = 98829624. Its totient is φ = 65886408.

The previous prime is 82358011. The next prime is 82358063. The reversal of 82358015 is 51085328.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82358015 - 2² = 82358011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82358011) 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, 8235797 + ... + 8235806.

It is an arithmetic number, because the mean of its divisors is an integer number (24707406).

Almost surely, 2^82358015 is an apocalyptic number.

82358015 is a deficient number, since it is larger than the sum of its proper divisors (16471609).

82358015 is a wasteful number, since it uses less digits than its factorization.

82358015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16471608.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 82358015 is about 9075.1316794854. The cubic root of 82358015 is about 435.0795027982.

The spelling of 82358015 in words is "eighty-two million, three hundred fifty-eight thousand, fifteen".