978212796 has 96 divisors (see below), whose sum is σ = 2648728320. Its totient is φ = 277862400.

The previous prime is 978212749. The next prime is 978212821. The reversal of 978212796 is 697212879.

978212796 is a nontrivial binomial coefficient, being equal to C(44232, 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241266 + ... + 245286.

It is an arithmetic number, because the mean of its divisors is an integer number (27590920).

Almost surely, 2^978212796 is an apocalyptic number.

978212796 is the 44231-st triangular number and also the 22116-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 978212796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324364160).

978212796 is an abundant number, since it is smaller than the sum of its proper divisors (1670515524).

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

978212796 is a wasteful number, since it uses less digits than its factorization.

978212796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155 (or 4153 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 978212796 is about 31276.3935900545. The cubic root of 978212796 is about 992.6842083753.

It can be divided in two parts, 9782 and 12796, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 978212796 in words is "nine hundred seventy-eight million, two hundred twelve thousand, seven hundred ninety-six".