2078499312 has 80 divisors (see below), whose sum is σ = 5999616000. Its totient is φ = 688936896.

The previous prime is 2078499277. The next prime is 2078499323. The reversal of 2078499312 is 2139948702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63889 + ... + 90767.

It is an arithmetic number, because the mean of its divisors is an integer number (74995200).

Almost surely, 2^2078499312 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 2078499312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2999808000).

2078499312 is an abundant number, since it is smaller than the sum of its proper divisors (3921116688).

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

2078499312 is a wasteful number, since it uses less digits than its factorization.

2078499312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27075 (or 27063 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2078499312 is about 45590.5616547987. The cubic root of 2078499312 is about 1276.1937940018.

The spelling of 2078499312 in words is "two billion, seventy-eight million, four hundred ninety-nine thousand, three hundred twelve".