87549801 has 16 divisors (see below), whose sum is σ = 120657600. Its totient is φ = 56430080.

The previous prime is 87549793. The next prime is 87549809. The reversal of 87549801 is 10894578.

It is an interprime number because it is at equal distance from previous prime (87549793) and next prime (87549809).

It is a cyclic number.

It is not a de Polignac number, because 87549801 - 2³ = 87549793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87549809) 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 15 ways as a sum of consecutive naturals, for example, 10750 + ... + 17048.

It is an arithmetic number, because the mean of its divisors is an integer number (7541100).

Almost surely, 2^87549801 is an apocalyptic number.

It is an amenable number.

87549801 is a deficient number, since it is larger than the sum of its proper divisors (33107799).

87549801 is a wasteful number, since it uses less digits than its factorization.

87549801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 87549801 is about 9356.8050636956. The cubic root of 87549801 is about 444.0362106252.

The spelling of 87549801 in words is "eighty-seven million, five hundred forty-nine thousand, eight hundred one".