87573801 has 16 divisors (see below), whose sum is σ = 133735424. Its totient is φ = 49933584.

The previous prime is 87573779. The next prime is 87573839. The reversal of 87573801 is 10837578.

It is not a de Polignac number, because 87573801 - 2⁵ = 87573769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87573801.

It is not an unprimeable number, because it can be changed into a prime (87573841) 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 15 ways as a sum of consecutive naturals, for example, 5946 + ... + 14508.

It is an arithmetic number, because the mean of its divisors is an integer number (8358464).

Almost surely, 2^87573801 is an apocalyptic number.

It is an amenable number.

87573801 is a deficient number, since it is larger than the sum of its proper divisors (46161623).

87573801 is a wasteful number, since it uses less digits than its factorization.

87573801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9060.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 87573801 is about 9358.0874648616. The cubic root of 87573801 is about 444.0767814214.

The spelling of 87573801 in words is "eighty-seven million, five hundred seventy-three thousand, eight hundred one".