28525188486 has 8 divisors (see below), whose sum is σ = 57050376984. Its totient is φ = 9508396160.

The previous prime is 28525188479. The next prime is 28525188487. The reversal of 28525188486 is 68488152582.

It is a happy number.

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

28525188486 is an admirable number.

It is a super-4 number, since 4×28525188486⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28525188487) 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, 2377099035 + ... + 2377099046.

It is an arithmetic number, because the mean of its divisors is an integer number (7131297123).

Almost surely, 2^28525188486 is an apocalyptic number.

28525188486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28525188486 is a wasteful number, since it uses less digits than its factorization.

28525188486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754198086.

The product of its digits is 9830400, while the sum is 57.

The spelling of 28525188486 in words is "twenty-eight billion, five hundred twenty-five million, one hundred eighty-eight thousand, four hundred eighty-six".