7968851 has 4 divisors (see below), whose sum is σ = 8693304. Its totient is φ = 7244400.

The previous prime is 7968817. The next prime is 7968853. The reversal of 7968851 is 1588697.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1588697 = 11 ⋅144427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7968851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7968853) 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, 362210 + ... + 362231.

It is an arithmetic number, because the mean of its divisors is an integer number (2173326).

Almost surely, 2^7968851 is an apocalyptic number.

7968851 is a deficient number, since it is larger than the sum of its proper divisors (724453).

7968851 is a wasteful number, since it uses less digits than its factorization.

7968851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724452.

The product of its digits is 120960, while the sum is 44.

The square root of 7968851 is about 2822.9153370231. The cubic root of 7968851 is about 199.7400873735.

The spelling of 7968851 in words is "seven million, nine hundred sixty-eight thousand, eight hundred fifty-one".