87311107 has 16 divisors (see below), whose sum is σ = 95622912. Its totient is φ = 79241760.

The previous prime is 87311089. The next prime is 87311111. The reversal of 87311107 is 70111378.

It is a de Polignac number, because none of the positive numbers 2^k-87311107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87311177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284248 + ... + 284554.

It is an arithmetic number, because the mean of its divisors is an integer number (5976432).

Almost surely, 2^87311107 is an apocalyptic number.

87311107 is a deficient number, since it is larger than the sum of its proper divisors (8311805).

87311107 is a wasteful number, since it uses less digits than its factorization.

87311107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 87311107 is about 9344.0412563302. The cubic root of 87311107 is about 443.6323062337.

The spelling of 87311107 in words is "eighty-seven million, three hundred eleven thousand, one hundred seven".