7994887 has 4 divisors (see below), whose sum is σ = 8104480. Its totient is φ = 7885296.

The previous prime is 7994881. The next prime is 7994897. The reversal of 7994887 is 7884997.

It is a happy number.

7994887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7884997 = 41 ⋅192317.

It is a cyclic number.

It is not a de Polignac number, because 7994887 - 2⁷ = 7994759 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7994881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54687 + ... + 54832.

It is an arithmetic number, because the mean of its divisors is an integer number (2026120).

Almost surely, 2^7994887 is an apocalyptic number.

7994887 is a deficient number, since it is larger than the sum of its proper divisors (109593).

7994887 is a wasteful number, since it uses less digits than its factorization.

7994887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109592.

The product of its digits is 1016064, while the sum is 52.

The square root of 7994887 is about 2827.5231210372. The cubic root of 7994887 is about 199.9573825861.

The spelling of 7994887 in words is "seven million, nine hundred ninety-four thousand, eight hundred eighty-seven".