87009275 has 12 divisors (see below), whose sum is σ = 108138912. Its totient is φ = 69447840.

The previous prime is 87009271. The next prime is 87009277. The reversal of 87009275 is 57290078.

It is not a de Polignac number, because 87009275 - 2² = 87009271 is a prime.

It is a super-2 number, since 2×87009275² = 15141227872051250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87009271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7817 + ... + 15333.

It is an arithmetic number, because the mean of its divisors is an integer number (9011576).

Almost surely, 2^87009275 is an apocalyptic number.

87009275 is a deficient number, since it is larger than the sum of its proper divisors (21129637).

87009275 is a wasteful number, since it uses less digits than its factorization.

87009275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990 (or 7985 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 87009275 is about 9327.8762320262. The cubic root of 87009275 is about 443.1205079572.

The spelling of 87009275 in words is "eighty-seven million, nine thousand, two hundred seventy-five".