6671311087 has 4 divisors (see below), whose sum is σ = 7624355536. Its totient is φ = 5718266640.

The previous prime is 6671311081. The next prime is 6671311093. The reversal of 6671311087 is 7801131766.

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

It is an interprime number because it is at equal distance from previous prime (6671311081) and next prime (6671311093).

It is a cyclic number.

It is not a de Polignac number, because 6671311087 - 2⁷ = 6671310959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671311081) 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, 476522214 + ... + 476522227.

It is an arithmetic number, because the mean of its divisors is an integer number (1906088884).

Almost surely, 2^6671311087 is an apocalyptic number.

6671311087 is a deficient number, since it is larger than the sum of its proper divisors (953044449).

6671311087 is an equidigital number, since it uses as much as digits as its factorization.

6671311087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953044448.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 6671311087 is about 81678.0942909419. The cubic root of 6671311087 is about 1882.5090129943.

The spelling of 6671311087 in words is "six billion, six hundred seventy-one million, three hundred eleven thousand, eighty-seven".