33889779048 has 32 divisors (see below), whose sum is σ = 84767508000. Its totient is φ = 11290851648.

The previous prime is 33889779041. The next prime is 33889779061. The reversal of 33889779048 is 84097798833.

It is a super-2 number, since 2×33889779048² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 33889779048.

It is not an unprimeable number, because it can be changed into a prime (33889779041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310498 + ... + 405201.

It is an arithmetic number, because the mean of its divisors is an integer number (2648984625).

Almost surely, 2^33889779048 is an apocalyptic number.

It is an amenable number.

33889779048 is an abundant number, since it is smaller than the sum of its proper divisors (50877728952).

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

33889779048 is a wasteful number, since it uses less digits than its factorization.

33889779048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717681 (or 717677 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 33889779048 in words is "thirty-three billion, eight hundred eighty-nine million, seven hundred seventy-nine thousand, forty-eight".