87587401 has 4 divisors (see below), whose sum is σ = 95549904. Its totient is φ = 79624900.

The previous prime is 87587387. The next prime is 87587413. The reversal of 87587401 is 10478578.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87587401 - 2¹¹ = 87585353 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87507401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3981235 + ... + 3981256.

It is an arithmetic number, because the mean of its divisors is an integer number (23887476).

Almost surely, 2^87587401 is an apocalyptic number.

It is an amenable number.

87587401 is a deficient number, since it is larger than the sum of its proper divisors (7962503).

87587401 is a wasteful number, since it uses less digits than its factorization.

87587401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962502.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 87587401 is about 9358.8140808545. The cubic root of 87587401 is about 444.0997682491.

The spelling of 87587401 in words is "eighty-seven million, five hundred eighty-seven thousand, four hundred one".