82698625 has 16 divisors (see below), whose sum is σ = 109281744. Its totient is φ = 62265600.

The previous prime is 82698617. The next prime is 82698647. The reversal of 82698625 is 52689628.

It can be written as a sum of positive squares in 8 ways, for example, as 32798529 + 49900096 = 5727^2 + 7064^2 .

It is not a de Polignac number, because 82698625 - 2³ = 82698617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17334 + ... + 21583.

It is an arithmetic number, because the mean of its divisors is an integer number (6830109).

Almost surely, 2^82698625 is an apocalyptic number.

82698625 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82698625 is a deficient number, since it is larger than the sum of its proper divisors (26583119).

82698625 is a wasteful number, since it uses less digits than its factorization.

82698625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38949 (or 38939 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 82698625 is about 9093.8784355191. The cubic root of 82698625 is about 435.6784673849.

The spelling of 82698625 in words is "eighty-two million, six hundred ninety-eight thousand, six hundred twenty-five".