7854254079868 has 12 divisors (see below), whose sum is σ = 15708508159792. Its totient is φ = 3366108891360.

The previous prime is 7854254079821. The next prime is 7854254079899. The reversal of 7854254079868 is 8689704524587.

7854254079868 is an admirable number.

It is a super-2 number, since 2×7854254079868² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7854254079868.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140254537113 + ... + 140254537168.

Almost surely, 2^{7854254079868} is an apocalyptic number.

It is an amenable number.

7854254079868 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.

7854254079868 is a wasteful number, since it uses less digits than its factorization.

7854254079868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280509074292 (or 280509074290 counting only the distinct ones).

The product of its (nonzero) digits is 1083801600, while the sum is 73.

The spelling of 7854254079868 in words is "seven trillion, eight hundred fifty-four billion, two hundred fifty-four million, seventy-nine thousand, eight hundred sixty-eight".