6813400088 has 32 divisors (see below), whose sum is σ = 14059852560. Its totient is φ = 3069588480.

The previous prime is 6813400079. The next prime is 6813400091. The reversal of 6813400088 is 8800043186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332645 + ... + 352532.

Almost surely, 2^6813400088 is an apocalyptic number.

It is an amenable number.

6813400088 is an abundant number, since it is smaller than the sum of its proper divisors (7246452472).

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

6813400088 is a wasteful number, since it uses less digits than its factorization.

6813400088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685307 (or 685303 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 6813400088 is about 82543.3224918891. The cubic root of 6813400088 is about 1895.7801164235.

The spelling of 6813400088 in words is "six billion, eight hundred thirteen million, four hundred thousand, eighty-eight".