6988424885 has 16 divisors (see below), whose sum is σ = 9033878784. Its totient is φ = 5159149632.

The previous prime is 6988424873. The next prime is 6988424899. The reversal of 6988424885 is 5884248896.

It is not a de Polignac number, because 6988424885 - 2¹⁰ = 6988423861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234434 + ... + 262556.

It is an arithmetic number, because the mean of its divisors is an integer number (564617424).

Almost surely, 2^6988424885 is an apocalyptic number.

6988424885 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6988424885 is a deficient number, since it is larger than the sum of its proper divisors (2045453899).

6988424885 is a wasteful number, since it uses less digits than its factorization.

6988424885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31964.

The product of its digits is 35389440, while the sum is 62.

The square root of 6988424885 is about 83596.7994901719. The cubic root of 6988424885 is about 1911.8762011318.

The spelling of 6988424885 in words is "six billion, nine hundred eighty-eight million, four hundred twenty-four thousand, eight hundred eighty-five".