87015275 has 6 divisors (see below), whose sum is σ = 107898972. Its totient is φ = 69612200.

The previous prime is 87015263. The next prime is 87015287. The reversal of 87015275 is 57251078.

It is an interprime number because it is at equal distance from previous prime (87015263) and next prime (87015287).

It is not a de Polignac number, because 87015275 - 2⁴ = 87015259 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 (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1740281 + ... + 1740330.

It is an arithmetic number, because the mean of its divisors is an integer number (17983162).

Almost surely, 2^87015275 is an apocalyptic number.

87015275 is a deficient number, since it is larger than the sum of its proper divisors (20883697).

87015275 is a wasteful number, since it uses less digits than its factorization.

87015275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480621 (or 3480616 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 87015275 is about 9328.1978430992. The cubic root of 87015275 is about 443.1306933156.

The spelling of 87015275 in words is "eighty-seven million, fifteen thousand, two hundred seventy-five".