28575010064 has 10 divisors (see below), whose sum is σ = 55364082030. Its totient is φ = 14287505024.

The previous prime is 28575010063. The next prime is 28575010067. The reversal of 28575010064 is 46001057582.

It can be written as a sum of positive squares in only one way, i.e., 16604899600 + 11970110464 = 128860^2 + 109408^2 .

It is not an unprimeable number, because it can be changed into a prime (28575010063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 892969049 + ... + 892969080.

It is an arithmetic number, because the mean of its divisors is an integer number (5536408203).

Almost surely, 2^28575010064 is an apocalyptic number.

It is an amenable number.

28575010064 is a deficient number, since it is larger than the sum of its proper divisors (26789071966).

28575010064 is a wasteful number, since it uses less digits than its factorization.

28575010064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785938137 (or 1785938131 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 28575010064 in words is "twenty-eight billion, five hundred seventy-five million, ten thousand, sixty-four".