6893447086 has 16 divisors (see below), whose sum is σ = 10536738048. Its totient is φ = 3381696000.

The previous prime is 6893447063. The next prime is 6893447101. The reversal of 6893447086 is 6807443986.

It is a super-2 number, since 2×6893447086² = 95039225454963782792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95715 + ... + 151486.

It is an arithmetic number, because the mean of its divisors is an integer number (658546128).

Almost surely, 2^6893447086 is an apocalyptic number.

6893447086 is a deficient number, since it is larger than the sum of its proper divisors (3643290962).

6893447086 is a wasteful number, since it uses less digits than its factorization.

6893447086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247467.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The square root of 6893447086 is about 83026.7853526800. The cubic root of 6893447086 is about 1903.1753998105.

The spelling of 6893447086 in words is "six billion, eight hundred ninety-three million, four hundred forty-seven thousand, eighty-six".