6887467646 has 4 divisors (see below), whose sum is σ = 10331201472. Its totient is φ = 3443733822.

The previous prime is 6887467603. The next prime is 6887467663. The reversal of 6887467646 is 6467647886.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721866910 + ... + 1721866913.

It is an arithmetic number, because the mean of its divisors is an integer number (2582800368).

Almost surely, 2^6887467646 is an apocalyptic number.

6887467646 is a deficient number, since it is larger than the sum of its proper divisors (3443733826).

6887467646 is a wasteful number, since it uses less digits than its factorization.

6887467646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443733825.

The product of its digits is 65028096, while the sum is 62.

The square root of 6887467646 is about 82990.7684384233. The cubic root of 6887467646 is about 1902.6249632917.

The spelling of 6887467646 in words is "six billion, eight hundred eighty-seven million, four hundred sixty-seven thousand, six hundred forty-six".