28927457104 has 40 divisors (see below), whose sum is σ = 68980862720. Its totient is φ = 11443828608.

The previous prime is 28927457101. The next prime is 28927457107. The reversal of 28927457104 is 40175472982.

It is an interprime number because it is at equal distance from previous prime (28927457101) and next prime (28927457107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28927457101) 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, 9932424 + ... + 9935335.

It is an arithmetic number, because the mean of its divisors is an integer number (1724521568).

Almost surely, 2^28927457104 is an apocalyptic number.

It is an amenable number.

28927457104 is an abundant number, since it is smaller than the sum of its proper divisors (40053405616).

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

28927457104 is a wasteful number, since it uses less digits than its factorization.

28927457104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19867787 (or 19867781 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 28927457104 in words is "twenty-eight billion, nine hundred twenty-seven million, four hundred fifty-seven thousand, one hundred four".