27823502628 has 36 divisors (see below), whose sum is σ = 70976885980. Its totient is φ = 9189412416.

The previous prime is 27823502627. The next prime is 27823502647. The reversal of 27823502628 is 82620532872.

It is a happy number.

27823502628 is a `hidden beast` number, since 2 + 7 + 82 + 3 + 502 + 62 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7170363684 + 20653138944 = 84678^2 + 143712^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (27823502627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3541375 + ... + 3549222.

Almost surely, 2^27823502628 is an apocalyptic number.

It is an amenable number.

27823502628 is an abundant number, since it is smaller than the sum of its proper divisors (43153383352).

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

27823502628 is a wasteful number, since it uses less digits than its factorization.

27823502628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090716 (or 7090711 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 27823502628 in words is "twenty-seven billion, eight hundred twenty-three million, five hundred two thousand, six hundred twenty-eight".