82487365 has 4 divisors (see below), whose sum is σ = 98984844. Its totient is φ = 65989888.

The previous prime is 82487357. The next prime is 82487381. The reversal of 82487365 is 56378428.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49871844 + 32615521 = 7062^2 + 5711^2 .

It is a cyclic number.

It is not a de Polignac number, because 82487365 - 2³ = 82487357 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 8248732 + ... + 8248741.

It is an arithmetic number, because the mean of its divisors is an integer number (24746211).

Almost surely, 2^82487365 is an apocalyptic number.

It is an amenable number.

82487365 is a deficient number, since it is larger than the sum of its proper divisors (16497479).

82487365 is a wasteful number, since it uses less digits than its factorization.

82487365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16497478.

The product of its digits is 322560, while the sum is 43.

The square root of 82487365 is about 9082.2555018013. The cubic root of 82487365 is about 435.3071596391.

The spelling of 82487365 in words is "eighty-two million, four hundred eighty-seven thousand, three hundred sixty-five".