27405752257157 has 8 divisors (see below), whose sum is σ = 27424854072000. Its totient is φ = 27386655060544.

The previous prime is 27405752257141. The next prime is 27405752257159. The reversal of 27405752257157 is 75175225750472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27405752257157 - 2⁴ = 27405752257141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27405752257096 and 27405752257105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27405752257159) 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, 10760894 + ... + 13061712.

It is an arithmetic number, because the mean of its divisors is an integer number (3428106759000).

Almost surely, 2^{27405752257157} is an apocalyptic number.

It is an amenable number.

27405752257157 is a deficient number, since it is larger than the sum of its proper divisors (19101814843).

27405752257157 is a wasteful number, since it uses less digits than its factorization.

27405752257157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309115.

The product of its (nonzero) digits is 48020000, while the sum is 59.

The spelling of 27405752257157 in words is "twenty-seven trillion, four hundred five billion, seven hundred fifty-two million, two hundred fifty-seven thousand, one hundred fifty-seven".