28774132474 has 8 divisors (see below), whose sum is σ = 45037772640. Its totient is φ = 13761541596.

The previous prime is 28774132463. The next prime is 28774132529. The reversal of 28774132474 is 47423147782.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312762264 + ... + 312762355.

It is an arithmetic number, because the mean of its divisors is an integer number (5629721580).

Almost surely, 2^28774132474 is an apocalyptic number.

28774132474 is a deficient number, since it is larger than the sum of its proper divisors (16263640166).

28774132474 is a wasteful number, since it uses less digits than its factorization.

28774132474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625524644.

The product of its digits is 2107392, while the sum is 49.

The spelling of 28774132474 in words is "twenty-eight billion, seven hundred seventy-four million, one hundred thirty-two thousand, four hundred seventy-four".