87567825 has 12 divisors (see below), whose sum is σ = 144778928. Its totient is φ = 46702800.

The previous prime is 87567803. The next prime is 87567847. The reversal of 87567825 is 52876578.

It is an interprime number because it is at equal distance from previous prime (87567803) and next prime (87567847).

It is not a de Polignac number, because 87567825 - 2⁵ = 87567793 is a prime.

It is a Duffinian number.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 583711 + ... + 583860.

Almost surely, 2^87567825 is an apocalyptic number.

It is an amenable number.

87567825 is a deficient number, since it is larger than the sum of its proper divisors (57211103).

87567825 is a wasteful number, since it uses less digits than its factorization.

87567825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167584 (or 1167579 counting only the distinct ones).

The product of its digits is 940800, while the sum is 48.

The square root of 87567825 is about 9357.7681634031. The cubic root of 87567825 is about 444.0666799863.

The spelling of 87567825 in words is "eighty-seven million, five hundred sixty-seven thousand, eight hundred twenty-five".