87313066 has 16 divisors (see below), whose sum is σ = 132827328. Its totient is φ = 43041600.

The previous prime is 87313063. The next prime is 87313073. The reversal of 87313066 is 66031378.

It is not an unprimeable number, because it can be changed into a prime (87313063) 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, 46771 + ... + 48601.

It is an arithmetic number, because the mean of its divisors is an integer number (8301708).

Almost surely, 2^87313066 is an apocalyptic number.

87313066 is a deficient number, since it is larger than the sum of its proper divisors (45514262).

87313066 is a wasteful number, since it uses less digits than its factorization.

87313066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 87313066 is about 9344.1460819060. The cubic root of 87313066 is about 443.6356241360.

The spelling of 87313066 in words is "eighty-seven million, three hundred thirteen thousand, sixty-six".