28477064 has 32 divisors (see below), whose sum is σ = 66571200. Its totient is φ = 11094720.

The previous prime is 28477049. The next prime is 28477073. The reversal of 28477064 is 46077482.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22499 + ... + 23730.

It is an arithmetic number, because the mean of its divisors is an integer number (2080350).

Almost surely, 2^28477064 is an apocalyptic number.

It is an amenable number.

28477064 is an abundant number, since it is smaller than the sum of its proper divisors (38094136).

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

28477064 is a wasteful number, since it uses less digits than its factorization.

28477064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46253 (or 46249 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 28477064 is about 5336.3905404309. The cubic root of 28477064 is about 305.3737744891.

The spelling of 28477064 in words is "twenty-eight million, four hundred seventy-seven thousand, sixty-four".