28434870830 has 8 divisors (see below), whose sum is σ = 51182767512. Its totient is φ = 11373948328.

The previous prime is 28434870829. The next prime is 28434870847. The reversal of 28434870830 is 3807843482.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421743532 + ... + 1421743551.

It is an arithmetic number, because the mean of its divisors is an integer number (6397845939).

Almost surely, 2^28434870830 is an apocalyptic number.

28434870830 is a deficient number, since it is larger than the sum of its proper divisors (22747896682).

28434870830 is a wasteful number, since it uses less digits than its factorization.

28434870830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843487090.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 28434870830 in words is "twenty-eight billion, four hundred thirty-four million, eight hundred seventy thousand, eight hundred thirty".