87510479 has 4 divisors (see below), whose sum is σ = 100011984. Its totient is φ = 75008976.

The previous prime is 87510463. The next prime is 87510481. The reversal of 87510479 is 97401578.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 87510479 - 2⁴ = 87510463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87510419) 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 3 ways as a sum of consecutive naturals, for example, 6250742 + ... + 6250755.

It is an arithmetic number, because the mean of its divisors is an integer number (25002996).

Almost surely, 2^87510479 is an apocalyptic number.

87510479 is a deficient number, since it is larger than the sum of its proper divisors (12501505).

87510479 is a wasteful number, since it uses less digits than its factorization.

87510479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12501504.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 87510479 is about 9354.7035762765. The cubic root of 87510479 is about 443.9697227277.

The spelling of 87510479 in words is "eighty-seven million, five hundred ten thousand, four hundred seventy-nine".