6812586408 has 16 divisors (see below), whose sum is σ = 17031466080. Its totient is φ = 2270862128.

The previous prime is 6812586397. The next prime is 6812586413. The reversal of 6812586408 is 8046852186.

It is a happy number.

It is a super-2 number, since 2×6812586408² = 92822667132932684928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141928860 + ... + 141928907.

It is an arithmetic number, because the mean of its divisors is an integer number (1064466630).

Almost surely, 2^6812586408 is an apocalyptic number.

It is an amenable number.

6812586408 is an abundant number, since it is smaller than the sum of its proper divisors (10218879672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6812586408 is a wasteful number, since it uses less digits than its factorization.

6812586408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283857776 (or 283857772 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 6812586408 is about 82538.3935390070. The cubic root of 6812586408 is about 1895.7046465281.

The spelling of 6812586408 in words is "six billion, eight hundred twelve million, five hundred eighty-six thousand, four hundred eight".