82257506285 has 16 divisors (see below), whose sum is σ = 98969330304. Its totient is φ = 65632661952.

The previous prime is 82257506273. The next prime is 82257506293. The reversal of 82257506285 is 58260575228.

It is a cyclic number.

It is not a de Polignac number, because 82257506285 - 2¹⁰ = 82257505261 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 15 ways as a sum of consecutive naturals, for example, 3430799 + ... + 3454691.

It is an arithmetic number, because the mean of its divisors is an integer number (6185583144).

Almost surely, 2^82257506285 is an apocalyptic number.

It is an amenable number.

82257506285 is a deficient number, since it is larger than the sum of its proper divisors (16711824019).

82257506285 is a wasteful number, since it uses less digits than its factorization.

82257506285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25684.

The product of its (nonzero) digits is 2688000, while the sum is 50.

The spelling of 82257506285 in words is "eighty-two billion, two hundred fifty-seven million, five hundred six thousand, two hundred eighty-five".