7865551014668 has 12 divisors (see below), whose sum is σ = 13764994328232. Its totient is φ = 3932695492320.

The previous prime is 7865551014641. The next prime is 7865551014731. The reversal of 7865551014668 is 8664101555687.

It is a self number, because there is not a number n which added to its sum of digits gives 7865551014668.

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, 19782305 + ... + 20175992.

It is an arithmetic number, because the mean of its divisors is an integer number (1147082860686).

Almost surely, 2^{7865551014668} is an apocalyptic number.

It is an amenable number.

7865551014668 is a deficient number, since it is larger than the sum of its proper divisors (5899443313564).

7865551014668 is a wasteful number, since it uses less digits than its factorization.

7865551014668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40007512 (or 40007510 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 62.

The spelling of 7865551014668 in words is "seven trillion, eight hundred sixty-five billion, five hundred fifty-one million, fourteen thousand, six hundred sixty-eight".