28574600146 has 8 divisors (see below), whose sum is σ = 42903395964. Its totient is φ = 14273468160.

The previous prime is 28574600129. The next prime is 28574600149. The reversal of 28574600146 is 64100647582.

It can be written as a sum of positive squares in 2 ways, for example, as 28547819521 + 26780625 = 168961^2 + 5175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28574600149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6913375 + ... + 6917506.

Almost surely, 2^28574600146 is an apocalyptic number.

28574600146 is a deficient number, since it is larger than the sum of its proper divisors (14328795818).

28574600146 is a wasteful number, since it uses less digits than its factorization.

28574600146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13831916.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 28574600146 in words is "twenty-eight billion, five hundred seventy-four million, six hundred thousand, one hundred forty-six".