2685982452078 has 16 divisors (see below), whose sum is σ = 5379293650896. Its totient is φ = 894106026240.

The previous prime is 2685982452047. The next prime is 2685982452079. The reversal of 2685982452078 is 8702542895862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685982452079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305359683 + ... + 305368478.

It is an arithmetic number, because the mean of its divisors is an integer number (336205853181).

Almost surely, 2^{2685982452078} is an apocalyptic number.

2685982452078 is an abundant number, since it is smaller than the sum of its proper divisors (2693311198818).

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

2685982452078 is a wasteful number, since it uses less digits than its factorization.

2685982452078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610728899.

The product of its (nonzero) digits is 154828800, while the sum is 66.

The spelling of 2685982452078 in words is "two trillion, six hundred eighty-five billion, nine hundred eighty-two million, four hundred fifty-two thousand, seventy-eight".