6655028807 has 4 divisors (see below), whose sum is σ = 7605747216. Its totient is φ = 5704310400.

The previous prime is 6655028803. The next prime is 6655028911. The reversal of 6655028807 is 7088205566.

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

It is a cyclic number.

It is not a de Polignac number, because 6655028807 - 2² = 6655028803 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 (6655028803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475359194 + ... + 475359207.

It is an arithmetic number, because the mean of its divisors is an integer number (1901436804).

Almost surely, 2^6655028807 is an apocalyptic number.

6655028807 is a deficient number, since it is larger than the sum of its proper divisors (950718409).

6655028807 is an equidigital number, since it uses as much as digits as its factorization.

6655028807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950718408.

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 6655028807 is about 81578.3599185470. The cubic root of 6655028807 is about 1880.9762553502.

The spelling of 6655028807 in words is "six billion, six hundred fifty-five million, twenty-eight thousand, eight hundred seven".