28374728703 has 8 divisors (see below), whose sum is σ = 37833870000. Its totient is φ = 18916036608.

The previous prime is 28374728677. The next prime is 28374728731. The reversal of 28374728703 is 30782747382.

It is a Cunningham number, because it is equal to 168448²-1.

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

It is not a de Polignac number, because 28374728703 - 2¹⁶ = 28374663167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28374738703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84223 + ... + 252671.

It is an arithmetic number, because the mean of its divisors is an integer number (4729233750).

Almost surely, 2^28374728703 is an apocalyptic number.

28374728703 is a deficient number, since it is larger than the sum of its proper divisors (9459141297).

28374728703 is a wasteful number, since it uses less digits than its factorization.

28374728703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224601.

The product of its (nonzero) digits is 3161088, while the sum is 51.

The spelling of 28374728703 in words is "twenty-eight billion, three hundred seventy-four million, seven hundred twenty-eight thousand, seven hundred three".