28598780672 has 288 divisors, whose sum is σ = 77817729024. Its totient is φ = 10144972800.

The previous prime is 28598780671. The next prime is 28598780699. The reversal of 28598780672 is 27608789582.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is not an unprimeable number, because it can be changed into a prime (28598780671) 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, 10386848 + ... + 10389600.

It is an arithmetic number, because the mean of its divisors is an integer number (270200448).

Almost surely, 2^28598780672 is an apocalyptic number.

28598780672 is a gapful number since it is divisible by the number (22) 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 28598780672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38908864512).

28598780672 is an abundant number, since it is smaller than the sum of its proper divisors (49218948352).

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

28598780672 is a wasteful number, since it uses less digits than its factorization.

28598780672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835 (or 2821 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 28598780672 in words is "twenty-eight billion, five hundred ninety-eight million, seven hundred eighty thousand, six hundred seventy-two".