28934115080 has 64 divisors (see below), whose sum is σ = 70223630400. Its totient is φ = 10665987840.

The previous prime is 28934115029. The next prime is 28934115083. The reversal of 28934115080 is 8051143982.

It is not an unprimeable number, because it can be changed into a prime (28934115083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276935 + ... + 366825.

It is an arithmetic number, because the mean of its divisors is an integer number (1097244225).

Almost surely, 2^28934115080 is an apocalyptic number.

28934115080 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 28934115080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35111815200).

28934115080 is an abundant number, since it is smaller than the sum of its proper divisors (41289515320).

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

28934115080 is a wasteful number, since it uses less digits than its factorization.

28934115080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90534 (or 90530 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 28934115080 in words is "twenty-eight billion, nine hundred thirty-four million, one hundred fifteen thousand, eighty".