6847538406 has 16 divisors (see below), whose sum is σ = 14167321200. Its totient is φ = 2203805408.

The previous prime is 6847538389. The next prime is 6847538417. The reversal of 6847538406 is 6048357486.

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, 19676661 + ... + 19677008.

It is an arithmetic number, because the mean of its divisors is an integer number (885457575).

Almost surely, 2^6847538406 is an apocalyptic number.

6847538406 is an abundant number, since it is smaller than the sum of its proper divisors (7319782794).

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

6847538406 is a wasteful number, since it uses less digits than its factorization.

6847538406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39353703.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The square root of 6847538406 is about 82749.8544167904. The cubic root of 6847538406 is about 1898.9410910290.

The spelling of 6847538406 in words is "six billion, eight hundred forty-seven million, five hundred thirty-eight thousand, four hundred six".