28318327554 has 16 divisors (see below), whose sum is σ = 61785442080. Its totient is φ = 8581311360.

The previous prime is 28318327553. The next prime is 28318327589. The reversal of 28318327554 is 45572381382.

It is not an unprimeable number, because it can be changed into a prime (28318327553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214532719 + ... + 214532850.

It is an arithmetic number, because the mean of its divisors is an integer number (3861590130).

Almost surely, 2^28318327554 is an apocalyptic number.

28318327554 is an abundant number, since it is smaller than the sum of its proper divisors (33467114526).

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

28318327554 is a wasteful number, since it uses less digits than its factorization.

28318327554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429065585.

The product of its digits is 1612800, while the sum is 48.

The spelling of 28318327554 in words is "twenty-eight billion, three hundred eighteen million, three hundred twenty-seven thousand, five hundred fifty-four".