28575858861430 has 32 divisors (see below), whose sum is σ = 51657462210816. Its totient is φ = 11381328058464.

The previous prime is 28575858861421. The next prime is 28575858861439. The reversal of 28575858861430 is 3416885857582.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28575858861421) and next prime (28575858861439).

It is a self number, because there is not a number n which added to its sum of digits gives 28575858861430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28575858861439) 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, 1844184 + ... + 7781563.

It is an arithmetic number, because the mean of its divisors is an integer number (1614295694088).

Almost surely, 2^{28575858861430} is an apocalyptic number.

28575858861430 is a deficient number, since it is larger than the sum of its proper divisors (23081603349386).

28575858861430 is a wasteful number, since it uses less digits than its factorization.

28575858861430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9627028.

The product of its (nonzero) digits is 516096000, while the sum is 70.

The spelling of 28575858861430 in words is "twenty-eight trillion, five hundred seventy-five billion, eight hundred fifty-eight million, eight hundred sixty-one thousand, four hundred thirty".