87310266 has 16 divisors (see below), whose sum is σ = 184892544. Its totient is φ = 27391424.

The previous prime is 87310261. The next prime is 87310331. The reversal of 87310266 is 66201378.

It is not an unprimeable number, because it can be changed into a prime (87310261) 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, 427890 + ... + 428093.

It is an arithmetic number, because the mean of its divisors is an integer number (11555784).

Almost surely, 2^87310266 is an apocalyptic number.

87310266 is an abundant number, since it is smaller than the sum of its proper divisors (97582278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87310266 is a wasteful number, since it uses less digits than its factorization.

87310266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856005.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 87310266 is about 9343.9962542801. The cubic root of 87310266 is about 443.6308818407.

The spelling of 87310266 in words is "eighty-seven million, three hundred ten thousand, two hundred sixty-six".