6475728887 has 8 divisors (see below), whose sum is σ = 6634770912. Its totient is φ = 6316739200.

The previous prime is 6475728851. The next prime is 6475728899. The reversal of 6475728887 is 7888275746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6475728887 - 2²² = 6471534583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6475728487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381062 + ... + 397692.

It is an arithmetic number, because the mean of its divisors is an integer number (829346364).

Almost surely, 2^6475728887 is an apocalyptic number.

6475728887 is a deficient number, since it is larger than the sum of its proper divisors (159042025).

6475728887 is a wasteful number, since it uses less digits than its factorization.

6475728887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26169.

The product of its digits is 42147840, while the sum is 62.

The square root of 6475728887 is about 80471.9136531498. The cubic root of 6475728887 is about 1863.9298042504.

The spelling of 6475728887 in words is "six billion, four hundred seventy-five million, seven hundred twenty-eight thousand, eight hundred eighty-seven".