2078221896 has 192 divisors, whose sum is σ = 6090739200. Its totient is φ = 638668800.

The previous prime is 2078221891. The next prime is 2078221939. The reversal of 2078221896 is 6981228702.

It is not an unprimeable number, because it can be changed into a prime (2078221891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6278451 + ... + 6278781.

It is an arithmetic number, because the mean of its divisors is an integer number (31722600).

Almost surely, 2^2078221896 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 2078221896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045369600).

2078221896 is an abundant number, since it is smaller than the sum of its proper divisors (4012517304).

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

2078221896 is a wasteful number, since it uses less digits than its factorization.

2078221896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2078221896 is about 45587.5190814328. The cubic root of 2078221896 is about 1276.1370138804.

The spelling of 2078221896 in words is "two billion, seventy-eight million, two hundred twenty-one thousand, eight hundred ninety-six".