28114727686 has 8 divisors (see below), whose sum is σ = 42316024464. Its totient is φ = 14009386200.

The previous prime is 28114727677. The next prime is 28114727749. The reversal of 28114727686 is 68672741182.

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, 23988090 + ... + 23989261.

It is an arithmetic number, because the mean of its divisors is an integer number (5289503058).

Almost surely, 2^28114727686 is an apocalyptic number.

28114727686 is a deficient number, since it is larger than the sum of its proper divisors (14201296778).

28114727686 is a wasteful number, since it uses less digits than its factorization.

28114727686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47977646.

The product of its digits is 1806336, while the sum is 52.

The spelling of 28114727686 in words is "twenty-eight billion, one hundred fourteen million, seven hundred twenty-seven thousand, six hundred eighty-six".