6654474887 has 2 divisors, whose sum is σ = 6654474888. Its totient is φ = 6654474886.

The previous prime is 6654474881. The next prime is 6654474919. The reversal of 6654474887 is 7884744566.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6654474887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6654474881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327237443 + 3327237444.

It is an arithmetic number, because the mean of its divisors is an integer number (3327237444).

Almost surely, 2^6654474887 is an apocalyptic number.

6654474887 is a deficient number, since it is larger than the sum of its proper divisors (1).

6654474887 is an equidigital number, since it uses as much as digits as its factorization.

6654474887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36126720, while the sum is 59.

The square root of 6654474887 is about 81574.9648299035. The cubic root of 6654474887 is about 1880.9240672828.

The spelling of 6654474887 in words is "six billion, six hundred fifty-four million, four hundred seventy-four thousand, eight hundred eighty-seven".