82700113 has 4 divisors (see below), whose sum is σ = 83519028. Its totient is φ = 81881200.

The previous prime is 82700077. The next prime is 82700117. The reversal of 82700113 is 31100728.

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 67699984 + 15000129 = 8228^2 + 3873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82700113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82700117) 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, 409306 + ... + 409507.

It is an arithmetic number, because the mean of its divisors is an integer number (20879757).

Almost surely, 2^82700113 is an apocalyptic number.

It is an amenable number.

82700113 is a deficient number, since it is larger than the sum of its proper divisors (818915).

82700113 is a wasteful number, since it uses less digits than its factorization.

82700113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818914.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 82700113 is about 9093.9602484286. The cubic root of 82700113 is about 435.6810804298.

The spelling of 82700113 in words is "eighty-two million, seven hundred thousand, one hundred thirteen".