84012825 has 48 divisors (see below), whose sum is σ = 150684800. Its totient is φ = 41057280.

The previous prime is 84012811. The next prime is 84012871. The reversal of 84012825 is 52821048.

It is not a de Polignac number, because 84012825 - 2²³ = 75624217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84012792 and 84012801.

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 47 ways as a sum of consecutive naturals, for example, 193809 + ... + 194241.

Almost surely, 2^84012825 is an apocalyptic number.

It is an amenable number.

84012825 is a deficient number, since it is larger than the sum of its proper divisors (66671975).

84012825 is a wasteful number, since it uses less digits than its factorization.

84012825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 84012825 is about 9165.8510243185. The cubic root of 84012825 is about 437.9742014787.

The spelling of 84012825 in words is "eighty-four million, twelve thousand, eight hundred twenty-five".