2878654568782 has 4 divisors (see below), whose sum is σ = 4317981853176. Its totient is φ = 1439327284390.

The previous prime is 2878654568759. The next prime is 2878654568813.

2878654568782 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2878654568699 and 2878654568708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719663642194 + ... + 719663642197.

It is an arithmetic number, because the mean of its divisors is an integer number (1079495463294).

Almost surely, 2^{2878654568782} is an apocalyptic number.

2878654568782 is a deficient number, since it is larger than the sum of its proper divisors (1439327284394).

2878654568782 is a wasteful number, since it uses less digits than its factorization.

2878654568782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439327284393.

The product of its digits is 2890137600, while the sum is 76.

The spelling of 2878654568782 in words is "two trillion, eight hundred seventy-eight billion, six hundred fifty-four million, five hundred sixty-eight thousand, seven hundred eighty-two".