28285476474 has 32 divisors (see below), whose sum is σ = 57348069120. Its totient is φ = 9299227392.

The previous prime is 28285476451. The next prime is 28285476517. The reversal of 28285476474 is 47467458282.

It is a super-2 number, since 2×28285476474² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420414 + ... + 483030.

It is an arithmetic number, because the mean of its divisors is an integer number (1792127160).

Almost surely, 2^28285476474 is an apocalyptic number.

28285476474 is an abundant number, since it is smaller than the sum of its proper divisors (29062592646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28285476474 is a wasteful number, since it uses less digits than its factorization.

28285476474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63654.

The product of its digits is 24084480, while the sum is 57.

The spelling of 28285476474 in words is "twenty-eight billion, two hundred eighty-five million, four hundred seventy-six thousand, four hundred seventy-four".