28926932064 has 96 divisors (see below), whose sum is σ = 78791408640. Its totient is φ = 9281395200.

The previous prime is 28926932057. The next prime is 28926932081. The reversal of 28926932064 is 46023962982.

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

It is a junction number, because it is equal to n+sod(n) for n = 28926931998 and 28926932016.

It is a congruent number.

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, 905809 + ... + 937199.

It is an arithmetic number, because the mean of its divisors is an integer number (820743840).

Almost surely, 2^28926932064 is an apocalyptic number.

28926932064 is a gapful number since it is divisible by the number (24) 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 28926932064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39395704320).

28926932064 is an abundant number, since it is smaller than the sum of its proper divisors (49864476576).

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

28926932064 is a wasteful number, since it uses less digits than its factorization.

28926932064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31764 (or 31756 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 28926932064 in words is "twenty-eight billion, nine hundred twenty-six million, nine hundred thirty-two thousand, sixty-four".