87246215 has 24 divisors (see below), whose sum is σ = 124104960. Its totient is φ = 58688448.

The previous prime is 87246209. The next prime is 87246217. The reversal of 87246215 is 51264278.

It is not a de Polignac number, because 87246215 - 2¹² = 87242119 is a prime.

It is a super-2 number, since 2×87246215² = 15223804063652450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87246217) 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 23 ways as a sum of consecutive naturals, for example, 9626 + ... + 16344.

It is an arithmetic number, because the mean of its divisors is an integer number (5171040).

Almost surely, 2^87246215 is an apocalyptic number.

87246215 is a deficient number, since it is larger than the sum of its proper divisors (36858745).

87246215 is a wasteful number, since it uses less digits than its factorization.

87246215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791 (or 6784 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 87246215 is about 9340.5682375324. The cubic root of 87246215 is about 443.5223724440.

The spelling of 87246215 in words is "eighty-seven million, two hundred forty-six thousand, two hundred fifteen".