27023513157 has 24 divisors (see below), whose sum is σ = 42338139480. Its totient is φ = 16542366720.

The previous prime is 27023513147. The next prime is 27023513189. The reversal of 27023513157 is 75131532072.

It is a happy number.

27023513157 is a `hidden beast` number, since 2 + 70 + 23 + 513 + 1 + 57 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13905441 + 27009607716 = 3729^2 + 164346^2 .

It is not a de Polignac number, because 27023513157 - 2⁴ = 27023513141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27023513147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2147682 + ... + 2160227.

It is an arithmetic number, because the mean of its divisors is an integer number (1764089145).

Almost surely, 2^27023513157 is an apocalyptic number.

It is an amenable number.

27023513157 is a deficient number, since it is larger than the sum of its proper divisors (15314626323).

27023513157 is a wasteful number, since it uses less digits than its factorization.

27023513157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307973 (or 4307970 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The spelling of 27023513157 in words is "twenty-seven billion, twenty-three million, five hundred thirteen thousand, one hundred fifty-seven".