87058509 has 8 divisors (see below), whose sum is σ = 119822592. Its totient is φ = 56166720.

The previous prime is 87058507. The next prime is 87058511. The reversal of 87058509 is 90585078.

It is an interprime number because it is at equal distance from previous prime (87058507) and next prime (87058511).

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

It is not a de Polignac number, because 87058509 - 2¹ = 87058507 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87058501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467964 + ... + 468149.

It is an arithmetic number, because the mean of its divisors is an integer number (14977824).

Almost surely, 2^87058509 is an apocalyptic number.

It is an amenable number.

87058509 is a deficient number, since it is larger than the sum of its proper divisors (32764083).

87058509 is a wasteful number, since it uses less digits than its factorization.

87058509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936147.

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 87058509 is about 9330.5149375584. The cubic root of 87058509 is about 443.2040717743.

The spelling of 87058509 in words is "eighty-seven million, fifty-eight thousand, five hundred nine".