28247758534 has 8 divisors (see below), whose sum is σ = 42968421648. Its totient is φ = 13924951320.

The previous prime is 28247758529. The next prime is 28247758541. The reversal of 28247758534 is 43585774282.

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

It is a congruent number.

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, 99463797 + ... + 99464080.

It is an arithmetic number, because the mean of its divisors is an integer number (5371052706).

Almost surely, 2^28247758534 is an apocalyptic number.

28247758534 is a deficient number, since it is larger than the sum of its proper divisors (14720663114).

28247758534 is a wasteful number, since it uses less digits than its factorization.

28247758534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198927950.

The product of its digits is 15052800, while the sum is 55.

The spelling of 28247758534 in words is "twenty-eight billion, two hundred forty-seven million, seven hundred fifty-eight thousand, five hundred thirty-four".