979890912 has 576 divisors, whose sum is σ = 3903943680. Its totient is φ = 232657920.

The previous prime is 979890911. The next prime is 979890917. The reversal of 979890912 is 219098979.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979890911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9513453 + ... + 9513555.

It is an arithmetic number, because the mean of its divisors is an integer number (6777680).

Almost surely, 2^979890912 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 979890912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1951971840).

979890912 is an abundant number, since it is smaller than the sum of its proper divisors (2924052768).

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

979890912 is a wasteful number, since it uses less digits than its factorization.

979890912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The square root of 979890912 is about 31303.2092923393. The cubic root of 979890912 is about 993.2515312825.

The spelling of 979890912 in words is "nine hundred seventy-nine million, eight hundred ninety thousand, nine hundred twelve".