2542116878 has 8 divisors (see below), whose sum is σ = 4357914672. Its totient is φ = 1089478656.

The previous prime is 2542116853. The next prime is 2542116917. The reversal of 2542116878 is 8786112452.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90789875 + ... + 90789902.

It is an arithmetic number, because the mean of its divisors is an integer number (544739334).

Almost surely, 2^2542116878 is an apocalyptic number.

2542116878 is a deficient number, since it is larger than the sum of its proper divisors (1815797794).

2542116878 is a wasteful number, since it uses less digits than its factorization.

2542116878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181579786.

The product of its digits is 215040, while the sum is 44.

The square root of 2542116878 is about 50419.4097347440. The cubic root of 2542116878 is about 1364.7879248495.

The spelling of 2542116878 in words is "two billion, five hundred forty-two million, one hundred sixteen thousand, eight hundred seventy-eight".