28795393474 has 4 divisors (see below), whose sum is σ = 43193090214. Its totient is φ = 14397696736.

The previous prime is 28795393463. The next prime is 28795393493. The reversal of 28795393474 is 47439359782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25608000625 + 3187392849 = 160025^2 + 56457^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7198848367 + ... + 7198848370.

Almost surely, 2^28795393474 is an apocalyptic number.

28795393474 is a deficient number, since it is larger than the sum of its proper divisors (14397696740).

28795393474 is a wasteful number, since it uses less digits than its factorization.

28795393474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14397696739.

The product of its digits is 45722880, while the sum is 61.

The spelling of 28795393474 in words is "twenty-eight billion, seven hundred ninety-five million, three hundred ninety-three thousand, four hundred seventy-four".