2878073856 has 220 divisors, whose sum is σ = 9824257168. Its totient is φ = 822140928.

The previous prime is 2878073851. The next prime is 2878073857. The reversal of 2878073856 is 6583708782.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2878073851) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 578130 + ... + 583086.

Almost surely, 2^2878073856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2878073856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4912128584).

2878073856 is an abundant number, since it is smaller than the sum of its proper divisors (6946183312).

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

2878073856 is an equidigital number, since it uses as much as digits as its factorization.

2878073856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996 (or 4969 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The square root of 2878073856 is about 53647.6826712953. The cubic root of 2878073856 is about 1422.4400710275.

The spelling of 2878073856 in words is "two billion, eight hundred seventy-eight million, seventy-three thousand, eight hundred fifty-six".