7976865 has 32 divisors (see below), whose sum is σ = 14474880. Its totient is φ = 3718656.

The previous prime is 7976861. The next prime is 7976869. The reversal of 7976865 is 5686797.

It is an interprime number because it is at equal distance from previous prime (7976861) and next prime (7976869).

It is not a de Polignac number, because 7976865 - 2² = 7976861 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7976861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2629 + ... + 4781.

It is an arithmetic number, because the mean of its divisors is an integer number (452340).

Almost surely, 2^7976865 is an apocalyptic number.

It is an amenable number.

7976865 is a deficient number, since it is larger than the sum of its proper divisors (6498015).

7976865 is a wasteful number, since it uses less digits than its factorization.

7976865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193.

The product of its digits is 635040, while the sum is 48.

The square root of 7976865 is about 2824.3344348713. The cubic root of 7976865 is about 199.8070221910.

The spelling of 7976865 in words is "seven million, nine hundred seventy-six thousand, eight hundred sixty-five".