87046521 has 8 divisors (see below), whose sum is σ = 116108160. Its totient is φ = 58007952.

The previous prime is 87046501. The next prime is 87046529. The reversal of 87046521 is 12564078.

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

It is not a de Polignac number, because 87046521 - 2⁶ = 87046457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87046529) 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 7 ways as a sum of consecutive naturals, for example, 7216 + ... + 15038.

It is an arithmetic number, because the mean of its divisors is an integer number (14513520).

Almost surely, 2^87046521 is an apocalyptic number.

It is an amenable number.

87046521 is a deficient number, since it is larger than the sum of its proper divisors (29061639).

87046521 is a wasteful number, since it uses less digits than its factorization.

87046521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11535.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 87046521 is about 9329.8725071675. The cubic root of 87046521 is about 443.1837277001.

It can be divided in two parts, 8704 and 6521, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 87046521 in words is "eighty-seven million, forty-six thousand, five hundred twenty-one".