6885988436 has 12 divisors (see below), whose sum is σ = 12684715680. Its totient is φ = 3261783960.

The previous prime is 6885988427. The next prime is 6885988451. The reversal of 6885988436 is 6348895886.

It is a congruent number.

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, 45302480 + ... + 45302631.

It is an arithmetic number, because the mean of its divisors is an integer number (1057059640).

Almost surely, 2^6885988436 is an apocalyptic number.

It is an amenable number.

6885988436 is a deficient number, since it is larger than the sum of its proper divisors (5798727244).

6885988436 is a wasteful number, since it uses less digits than its factorization.

6885988436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90605134 (or 90605132 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 65.

The square root of 6885988436 is about 82981.8560650459. The cubic root of 6885988436 is about 1902.4887456705.

The spelling of 6885988436 in words is "six billion, eight hundred eighty-five million, nine hundred eighty-eight thousand, four hundred thirty-six".