6695470872 has 24 divisors (see below), whose sum is σ = 18133567140. Its totient is φ = 2231823600.

The previous prime is 6695470871. The next prime is 6695470883. The reversal of 6695470872 is 2780745966.

6695470872 is a `hidden beast` number, since 6 + 6 + 95 + 470 + 87 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6695470871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46496254 + ... + 46496397.

Almost surely, 2^6695470872 is an apocalyptic number.

It is an amenable number.

6695470872 is an abundant number, since it is smaller than the sum of its proper divisors (11438096268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6695470872 is a wasteful number, since it uses less digits than its factorization.

6695470872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92992663 (or 92992656 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 6695470872 is about 81825.8569890961. The cubic root of 6695470872 is about 1884.7787428014.

The spelling of 6695470872 in words is "six billion, six hundred ninety-five million, four hundred seventy thousand, eight hundred seventy-two".