87009566111 has 8 divisors (see below), whose sum is σ = 94067214864. Its totient is φ = 80004003840.

The previous prime is 87009566101. The next prime is 87009566123. The reversal of 87009566111 is 11166590078.

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

It is a cyclic number.

It is not a de Polignac number, because 87009566111 - 2⁶ = 87009566047 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 (87009566101) 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, 13018145 + ... + 13024826.

It is an arithmetic number, because the mean of its divisors is an integer number (11758401858).

Almost surely, 2^87009566111 is an apocalyptic number.

87009566111 is a deficient number, since it is larger than the sum of its proper divisors (7057648753).

87009566111 is a wasteful number, since it uses less digits than its factorization.

87009566111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26043241.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 87009566111 in words is "eighty-seven billion, nine million, five hundred sixty-six thousand, one hundred eleven".