28754232506 has 8 divisors (see below), whose sum is σ = 45006624864. Its totient is φ = 13752024220.

The previous prime is 28754232491. The next prime is 28754232541. The reversal of 28754232506 is 60523245782.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312545960 + ... + 312546051.

It is an arithmetic number, because the mean of its divisors is an integer number (5625828108).

Almost surely, 2^28754232506 is an apocalyptic number.

28754232506 is a deficient number, since it is larger than the sum of its proper divisors (16252392358).

28754232506 is a wasteful number, since it uses less digits than its factorization.

28754232506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625092036.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 28754232506 in words is "twenty-eight billion, seven hundred fifty-four million, two hundred thirty-two thousand, five hundred six".