28851391130 has 32 divisors (see below), whose sum is σ = 57042576000. Its totient is φ = 10457802432.

The previous prime is 28851391117. The next prime is 28851391139. The reversal of 28851391130 is 3119315882.

It is not an unprimeable number, because it can be changed into a prime (28851391139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3296705 + ... + 3305444.

It is an arithmetic number, because the mean of its divisors is an integer number (1782580500).

Almost surely, 2^28851391130 is an apocalyptic number.

28851391130 is a deficient number, since it is larger than the sum of its proper divisors (28191184870).

28851391130 is a wasteful number, since it uses less digits than its factorization.

28851391130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602198.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 28851391130 in words is "twenty-eight billion, eight hundred fifty-one million, three hundred ninety-one thousand, one hundred thirty".