87255015 has 8 divisors (see below), whose sum is σ = 139608048. Its totient is φ = 46536000.

The previous prime is 87255001. The next prime is 87255017. The reversal of 87255015 is 51055278.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87255015 - 2¹³ = 87246823 is a prime.

It is a super-2 number, since 2×87255015² = 15226875285300450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87255017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908486 + ... + 2908515.

It is an arithmetic number, because the mean of its divisors is an integer number (17451006).

Almost surely, 2^87255015 is an apocalyptic number.

87255015 is a deficient number, since it is larger than the sum of its proper divisors (52353033).

87255015 is a wasteful number, since it uses less digits than its factorization.

87255015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817009.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 87255015 is about 9341.0392890727. The cubic root of 87255015 is about 443.5372837524.

The spelling of 87255015 in words is "eighty-seven million, two hundred fifty-five thousand, fifteen".