1979933088 has 96 divisors (see below), whose sum is σ = 5953167360. Its totient is φ = 564422400.

The previous prime is 1979933069. The next prime is 1979933119. The reversal of 1979933088 is 8803399791.

It is a tau number, because it is divible by the number of its divisors (96).

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, 318813 + ... + 324963.

It is an arithmetic number, because the mean of its divisors is an integer number (62012160).

Almost surely, 2^1979933088 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 1979933088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2976583680).

1979933088 is an abundant number, since it is smaller than the sum of its proper divisors (3973234272).

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

1979933088 is a wasteful number, since it uses less digits than its factorization.

1979933088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650 (or 6642 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 57.

The square root of 1979933088 is about 44496.4390485351. The cubic root of 1979933088 is about 1255.6930903865.

The spelling of 1979933088 in words is "one billion, nine hundred seventy-nine million, nine hundred thirty-three thousand, eighty-eight".