28575901861430 has 64 divisors (see below), whose sum is σ = 64365415188480. Its totient is φ = 8873908214400.

The previous prime is 28575901861427. The next prime is 28575901861471. The reversal of 28575901861430 is 3416810957582.

It is a super-3 number, since 3×28575901861430³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28575901861430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68262845 + ... + 68680184.

It is an arithmetic number, because the mean of its divisors is an integer number (1005709612320).

It is a 1-persistent number, because it is pandigital, but 2⋅28575901861430 = 57151803722860 is not.

Almost surely, 2^{28575901861430} is an apocalyptic number.

28575901861430 is an abundant number, since it is smaller than the sum of its proper divisors (35789513327050).

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

28575901861430 is a wasteful number, since it uses less digits than its factorization.

28575901861430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136943325.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 28575901861430 in words is "twenty-eight trillion, five hundred seventy-five billion, nine hundred one million, eight hundred sixty-one thousand, four hundred thirty".