9814396780 has 12 divisors (see below), whose sum is σ = 20610233280. Its totient is φ = 3925758704.

The previous prime is 9814396751. The next prime is 9814396793. The reversal of 9814396780 is 876934189.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245359900 + ... + 245359939.

It is an arithmetic number, because the mean of its divisors is an integer number (1717519440).

Almost surely, 2^9814396780 is an apocalyptic number.

It is an amenable number.

9814396780 is an abundant number, since it is smaller than the sum of its proper divisors (10795836500).

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

9814396780 is a wasteful number, since it uses less digits than its factorization.

9814396780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490719848 (or 490719846 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 9814396780 is about 99067.6373999098. The cubic root of 9814396780 is about 2141.0223650212.

The spelling of 9814396780 in words is "nine billion, eight hundred fourteen million, three hundred ninety-six thousand, seven hundred eighty".