2578407348085 has 8 divisors (see below), whose sum is σ = 3102252642720. Its totient is φ = 2057283328464.

The previous prime is 2578407348053. The next prime is 2578407348113. The reversal of 2578407348085 is 5808437048752.

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

It is a cyclic number.

It is not a de Polignac number, because 2578407348085 - 2⁵ = 2578407348053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680316667 + ... + 680320456.

It is an arithmetic number, because the mean of its divisors is an integer number (387781580340).

Almost surely, 2^{2578407348085} is an apocalyptic number.

It is an amenable number.

2578407348085 is a deficient number, since it is larger than the sum of its proper divisors (523845294635).

2578407348085 is a wasteful number, since it uses less digits than its factorization.

2578407348085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360637507.

The product of its (nonzero) digits is 60211200, while the sum is 61.

The spelling of 2578407348085 in words is "two trillion, five hundred seventy-eight billion, four hundred seven million, three hundred forty-eight thousand, eighty-five".