979391088 has 160 divisors (see below), whose sum is σ = 3066262080. Its totient is φ = 301211136.

The previous prime is 979391069. The next prime is 979391089. The reversal of 979391088 is 880193979.

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 (979391089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453820 + ... + 455972.

It is an arithmetic number, because the mean of its divisors is an integer number (19164138).

Almost surely, 2^979391088 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 979391088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533131040).

979391088 is an abundant number, since it is smaller than the sum of its proper divisors (2086870992).

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

979391088 is a wasteful number, since it uses less digits than its factorization.

979391088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 979391088 is about 31295.2246836478. The cubic root of 979391088 is about 993.0826228930.

The spelling of 979391088 in words is "nine hundred seventy-nine million, three hundred ninety-one thousand, eighty-eight".