82502757825 has 24 divisors (see below), whose sum is σ = 137096993088. Its totient is φ = 43778105280.

The previous prime is 82502757811. The next prime is 82502757829. The reversal of 82502757825 is 52875720528.

It is a happy number.

It is not a de Polignac number, because 82502757825 - 2⁶ = 82502757761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82502757829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2777197 + ... + 2806746.

It is an arithmetic number, because the mean of its divisors is an integer number (5712374712).

Almost surely, 2^82502757825 is an apocalyptic number.

It is an amenable number.

82502757825 is a deficient number, since it is larger than the sum of its proper divisors (54594235263).

82502757825 is a wasteful number, since it uses less digits than its factorization.

82502757825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584153 (or 5584148 counting only the distinct ones).

The product of its (nonzero) digits is 3136000, while the sum is 51.

The spelling of 82502757825 in words is "eighty-two billion, five hundred two million, seven hundred fifty-seven thousand, eight hundred twenty-five".