87312107 has 8 divisors (see below), whose sum is σ = 88506432. Its totient is φ = 86125000.

The previous prime is 87312073. The next prime is 87312139. The reversal of 87312107 is 70121378.

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 87312107 - 2¹⁴ = 87295723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87312107.

It is not an unprimeable number, because it can be changed into a prime (87312157) 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, 25232 + ... + 28482.

It is an arithmetic number, because the mean of its divisors is an integer number (11063304).

Almost surely, 2^87312107 is an apocalyptic number.

87312107 is a deficient number, since it is larger than the sum of its proper divisors (1194325).

87312107 is a wasteful number, since it uses less digits than its factorization.

87312107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 87312107 is about 9344.0947662146. The cubic root of 87312107 is about 443.6339999113.

The spelling of 87312107 in words is "eighty-seven million, three hundred twelve thousand, one hundred seven".