107987287 has 8 divisors (see below), whose sum is σ = 110955600. Its totient is φ = 105057024.

The previous prime is 107987273. The next prime is 107987309. The reversal of 107987287 is 782789701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107987287 is a prime.

It is a super-2 number, since 2×107987287² = 23322508307240738, which contains 22 as substring.

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 107987287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107987227) 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, 3712 + ... + 15157.

It is an arithmetic number, because the mean of its divisors is an integer number (13869450).

Almost surely, 2^107987287 is an apocalyptic number.

107987287 is a deficient number, since it is larger than the sum of its proper divisors (2968313).

107987287 is an equidigital number, since it uses as much as digits as its factorization.

107987287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19025.

The product of its (nonzero) digits is 395136, while the sum is 49.

The square root of 107987287 is about 10391.6931729146. The cubic root of 107987287 is about 476.2016290891.

The spelling of 107987287 in words is "one hundred seven million, nine hundred eighty-seven thousand, two hundred eighty-seven".