7976881 has 8 divisors (see below), whose sum is σ = 8807904. Its totient is φ = 7163520.

The previous prime is 7976873. The next prime is 7976897. The reversal of 7976881 is 1886797.

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

It is a cyclic number.

It is not a de Polignac number, because 7976881 - 2³ = 7976873 is a prime.

It is a super-2 number, since 2×7976881² = 127261260976322, which contains 22 as substring.

It is a Duffinian number.

7976881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7976831) 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, 3456 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (1100988).

Almost surely, 2^7976881 is an apocalyptic number.

It is an amenable number.

7976881 is a deficient number, since it is larger than the sum of its proper divisors (831023).

7976881 is a wasteful number, since it uses less digits than its factorization.

7976881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8831.

The product of its digits is 169344, while the sum is 46.

The square root of 7976881 is about 2824.3372673957. The cubic root of 7976881 is about 199.8071557820.

The spelling of 7976881 in words is "seven million, nine hundred seventy-six thousand, eight hundred eighty-one".