87611107 has 4 divisors (see below), whose sum is σ = 87653080. Its totient is φ = 87569136.

The previous prime is 87611093. The next prime is 87611119. The reversal of 87611107 is 70111678.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87611107 - 2¹⁹ = 87086819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87615107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17682 + ... + 22087.

It is an arithmetic number, because the mean of its divisors is an integer number (21913270).

Almost surely, 2^87611107 is an apocalyptic number.

87611107 is a deficient number, since it is larger than the sum of its proper divisors (41973).

87611107 is a wasteful number, since it uses less digits than its factorization.

87611107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41972.

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 87611107 is about 9360.0805017906. The cubic root of 87611107 is about 444.1398306299.

The spelling of 87611107 in words is "eighty-seven million, six hundred eleven thousand, one hundred seven".