28885885746 has 64 divisors (see below), whose sum is σ = 60578979840. Its totient is φ = 9171550080.

The previous prime is 28885885739. The next prime is 28885885753. The reversal of 28885885746 is 64758858882.

It is an interprime number because it is at equal distance from previous prime (28885885739) and next prime (28885885753).

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, 3753915 + ... + 3761601.

It is an arithmetic number, because the mean of its divisors is an integer number (946546560).

Almost surely, 2^28885885746 is an apocalyptic number.

28885885746 is an abundant number, since it is smaller than the sum of its proper divisors (31693094094).

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

28885885746 is a wasteful number, since it uses less digits than its factorization.

28885885746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8039.

The product of its digits is 275251200, while the sum is 69.

The spelling of 28885885746 in words is "twenty-eight billion, eight hundred eighty-five million, eight hundred eighty-five thousand, seven hundred forty-six".