28471857470 has 16 divisors (see below), whose sum is σ = 58570678368. Its totient is φ = 9761779680.

The previous prime is 28471857439. The next prime is 28471857497. The reversal of 28471857470 is 7475817482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203370341 + ... + 203370480.

It is an arithmetic number, because the mean of its divisors is an integer number (3660667398).

Almost surely, 2^28471857470 is an apocalyptic number.

28471857470 is an abundant number, since it is smaller than the sum of its proper divisors (30098820898).

28471857470 is a wasteful number, since it uses less digits than its factorization.

28471857470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406740835.

The product of its (nonzero) digits is 3512320, while the sum is 53.

The spelling of 28471857470 in words is "twenty-eight billion, four hundred seventy-one million, eight hundred fifty-seven thousand, four hundred seventy".