28336653345 has 160 divisors (see below), whose sum is σ = 61307735040. Its totient is φ = 10857749760.

The previous prime is 28336653343. The next prime is 28336653347. The reversal of 28336653345 is 54335663382.

It is an interprime number because it is at equal distance from previous prime (28336653343) and next prime (28336653347).

It is not a de Polignac number, because 28336653345 - 2¹ = 28336653343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28336653294 and 28336653303.

It is not an unprimeable number, because it can be changed into a prime (28336653343) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 32987526 + ... + 32988384.

It is an arithmetic number, because the mean of its divisors is an integer number (383173344).

Almost surely, 2^28336653345 is an apocalyptic number.

It is an amenable number.

28336653345 is an abundant number, since it is smaller than the sum of its proper divisors (32971081695).

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

28336653345 is an equidigital number, since it uses as much as digits as its factorization.

28336653345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 898 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 48.

The spelling of 28336653345 in words is "twenty-eight billion, three hundred thirty-six million, six hundred fifty-three thousand, three hundred forty-five".