2625706866 has 8 divisors (see below), whose sum is σ = 5251413744. Its totient is φ = 875235620.

The previous prime is 2625706847. The next prime is 2625706873. The reversal of 2625706866 is 6686075262.

It is a sphenic number, since it is the product of 3 distinct primes.

2625706866 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218808900 + ... + 218808911.

It is an arithmetic number, because the mean of its divisors is an integer number (656426718).

Almost surely, 2^2625706866 is an apocalyptic number.

2625706866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2625706866 is a wasteful number, since it uses less digits than its factorization.

2625706866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437617816.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 2625706866 is about 51241.6516712723. The cubic root of 2625706866 is about 1379.5858986460.

The spelling of 2625706866 in words is "two billion, six hundred twenty-five million, seven hundred six thousand, eight hundred sixty-six".