87548691 has 16 divisors (see below), whose sum is σ = 124740000. Its totient is φ = 54425088.

The previous prime is 87548689. The next prime is 87548707. The reversal of 87548691 is 19684578.

It is not a de Polignac number, because 87548691 - 2¹ = 87548689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87548691.

It is not an unprimeable number, because it can be changed into a prime (87543691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2316 + ... + 13433.

It is an arithmetic number, because the mean of its divisors is an integer number (7796250).

Almost surely, 2^87548691 is an apocalyptic number.

87548691 is a deficient number, since it is larger than the sum of its proper divisors (37191309).

87548691 is a wasteful number, since it uses less digits than its factorization.

87548691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15878.

The product of its digits is 483840, while the sum is 48.

The square root of 87548691 is about 9356.7457483892. The cubic root of 87548691 is about 444.0343340465.

The spelling of 87548691 in words is "eighty-seven million, five hundred forty-eight thousand, six hundred ninety-one".