82727257 has 8 divisors (see below), whose sum is σ = 83446272. Its totient is φ = 82011600.

The previous prime is 82727237. The next prime is 82727269. The reversal of 82727257 is 75272728.

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

It is a cyclic number.

It is not a de Polignac number, because 82727257 - 2¹⁵ = 82694489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82727207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75282 + ... + 76372.

It is an arithmetic number, because the mean of its divisors is an integer number (10430784).

Almost surely, 2^82727257 is an apocalyptic number.

It is an amenable number.

82727257 is a deficient number, since it is larger than the sum of its proper divisors (719015).

82727257 is a wasteful number, since it uses less digits than its factorization.

82727257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679.

The product of its digits is 109760, while the sum is 40.

The square root of 82727257 is about 9095.4525450909. The cubic root of 82727257 is about 435.7287419270.

The spelling of 82727257 in words is "eighty-two million, seven hundred twenty-seven thousand, two hundred fifty-seven".