87575911 has 8 divisors (see below), whose sum is σ = 91616400. Its totient is φ = 83603520.

The previous prime is 87575903. The next prime is 87575947. The reversal of 87575911 is 11957578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87575911 - 2³ = 87575903 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 (87575951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14385 + ... + 19546.

It is an arithmetic number, because the mean of its divisors is an integer number (11452050).

Almost surely, 2^87575911 is an apocalyptic number.

87575911 is a deficient number, since it is larger than the sum of its proper divisors (4040489).

87575911 is a wasteful number, since it uses less digits than its factorization.

87575911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34049.

The product of its digits is 88200, while the sum is 43.

The square root of 87575911 is about 9358.2002008933. The cubic root of 87575911 is about 444.0803479161.

The spelling of 87575911 in words is "eighty-seven million, five hundred seventy-five thousand, nine hundred eleven".