87825045 has 32 divisors (see below), whose sum is σ = 175196160. Its totient is φ = 36498240.

The previous prime is 87825041. The next prime is 87825053. The reversal of 87825045 is 54052878.

It is not a de Polignac number, because 87825045 - 2² = 87825041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87824994 and 87825012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87825041) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 36865 + ... + 39174.

It is an arithmetic number, because the mean of its divisors is an integer number (5474880).

Almost surely, 2^87825045 is an apocalyptic number.

It is an amenable number.

87825045 is a deficient number, since it is larger than the sum of its proper divisors (87371115).

87825045 is a wasteful number, since it uses less digits than its factorization.

87825045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76065.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 87825045 is about 9371.5017473188. The cubic root of 87825045 is about 444.5010525234.

The spelling of 87825045 in words is "eighty-seven million, eight hundred twenty-five thousand, forty-five".