10078987 has 8 divisors (see below), whose sum is σ = 10643600. Its totient is φ = 9517824.

The previous prime is 10078973. The next prime is 10078993. The reversal of 10078987 is 78987001.

10078987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-10078987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10078927) 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, 7123 + ... + 8419.

It is an arithmetic number, because the mean of its divisors is an integer number (1330450).

Almost surely, 2^10078987 is an apocalyptic number.

10078987 is a deficient number, since it is larger than the sum of its proper divisors (564613).

10078987 is a wasteful number, since it uses less digits than its factorization.

10078987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 10078987 is about 3174.7420367646. The cubic root of 10078987 is about 216.0092231430.

The spelling of 10078987 in words is "ten million, seventy-eight thousand, nine hundred eighty-seven".