2878771936768 has 480 divisors, whose sum is σ = 7358913213696. Its totient is φ = 1100907085824.

The previous prime is 2878771936687. The next prime is 2878771936853. The reversal of 2878771936768 is 8676391778782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2786806780 + ... + 2786807812.

Almost surely, 2^{2878771936768} is an apocalyptic number.

2878771936768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2878771936768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3679456606848).

2878771936768 is an abundant number, since it is smaller than the sum of its proper divisors (4480141276928).

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

2878771936768 is a wasteful number, since it uses less digits than its factorization.

2878771936768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1205 counting only the distinct ones).

The product of its digits is 2389782528, while the sum is 79.

The spelling of 2878771936768 in words is "two trillion, eight hundred seventy-eight billion, seven hundred seventy-one million, nine hundred thirty-six thousand, seven hundred sixty-eight".