6872804479 has 2 divisors, whose sum is σ = 6872804480. Its totient is φ = 6872804478.

The previous prime is 6872804467. The next prime is 6872804483. The reversal of 6872804479 is 9744082786.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6872804479 - 2⁹ = 6872803967 is a prime.

It is a super-2 number, since 2×6872804479² = 94470882813124922882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6872804429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436402239 + 3436402240.

It is an arithmetic number, because the mean of its divisors is an integer number (3436402240).

Almost surely, 2^6872804479 is an apocalyptic number.

6872804479 is a deficient number, since it is larger than the sum of its proper divisors (1).

6872804479 is an equidigital number, since it uses as much as digits as its factorization.

6872804479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The square root of 6872804479 is about 82902.3792119382. The cubic root of 6872804479 is about 1901.2737976306.

The spelling of 6872804479 in words is "six billion, eight hundred seventy-two million, eight hundred four thousand, four hundred seventy-nine".