4687666956 has 36 divisors (see below), whose sum is σ = 13542149712. Its totient is φ = 1339333344.

The previous prime is 4687666943. The next prime is 4687666957. The reversal of 4687666956 is 6596667864.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 4687666893 and 4687666902.

It is not an unprimeable number, because it can be changed into a prime (4687666957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9300675 + ... + 9301178.

Almost surely, 2^4687666956 is an apocalyptic number.

It is an amenable number.

4687666956 is an abundant number, since it is smaller than the sum of its proper divisors (8854482756).

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

4687666956 is a wasteful number, since it uses less digits than its factorization.

4687666956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18601870 (or 18601865 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The square root of 4687666956 is about 68466.5389515200. The cubic root of 4687666956 is about 1673.6022444535.

The spelling of 4687666956 in words is "four billion, six hundred eighty-seven million, six hundred sixty-six thousand, nine hundred fifty-six".