28355423376 has 160 divisors (see below), whose sum is σ = 88205783040. Its totient is φ = 7667868672.

The previous prime is 28355423363. The next prime is 28355423429. The reversal of 28355423376 is 67332455382.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 13169116 + ... + 13171268.

It is an arithmetic number, because the mean of its divisors is an integer number (551286144).

Almost surely, 2^28355423376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28355423376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44102891520).

28355423376 is an abundant number, since it is smaller than the sum of its proper divisors (59850359664).

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

28355423376 is a wasteful number, since it uses less digits than its factorization.

28355423376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253 (or 4247 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 48.

The spelling of 28355423376 in words is "twenty-eight billion, three hundred fifty-five million, four hundred twenty-three thousand, three hundred seventy-six".