28883107380 has 96 divisors (see below), whose sum is σ = 83902896000. Its totient is φ = 7415106048.

The previous prime is 28883107367. The next prime is 28883107427. The reversal of 28883107380 is 8370138882.

It is a super-2 number, since 2×28883107380² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 583479 + ... + 631041.

It is an arithmetic number, because the mean of its divisors is an integer number (873988500).

Almost surely, 2^28883107380 is an apocalyptic number.

28883107380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28883107380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41951448000).

28883107380 is an abundant number, since it is smaller than the sum of its proper divisors (55019788620).

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

28883107380 is a wasteful number, since it uses less digits than its factorization.

28883107380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47953 (or 47951 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 28883107380 in words is "twenty-eight billion, eight hundred eighty-three million, one hundred seven thousand, three hundred eighty".