87310011 has 8 divisors (see below), whose sum is σ = 123261264. Its totient is φ = 54782720.

The previous prime is 87310009. The next prime is 87310021. The reversal of 87310011 is 11001378.

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 87310011 - 2¹ = 87310009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87310011.

It is not an unprimeable number, because it can be changed into a prime (87310021) 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, 855930 + ... + 856031.

It is an arithmetic number, because the mean of its divisors is an integer number (15407658).

Almost surely, 2^87310011 is an apocalyptic number.

87310011 is a deficient number, since it is larger than the sum of its proper divisors (35951253).

87310011 is a wasteful number, since it uses less digits than its factorization.

87310011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711981.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 87310011 is about 9343.9826091448. The cubic root of 87310011 is about 443.6304499481.

Adding to 87310011 its reverse (11001378), we get a palindrome (98311389).

The spelling of 87310011 in words is "eighty-seven million, three hundred ten thousand, eleven".