157827 has 4 divisors (see below), whose sum is σ = 210440. Its totient is φ = 105216.

The previous prime is 157823. The next prime is 157831. The reversal of 157827 is 728751.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (157823) and next prime (157831).

It is not a de Polignac number, because 157827 - 2² = 157823 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157794 and 157803.

It is not an unprimeable number, because it can be changed into a prime (157823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26302 + ... + 26307.

It is an arithmetic number, because the mean of its divisors is an integer number (52610).

2¹⁵⁷⁸²⁷ is an apocalyptic number.

157827 is a deficient number, since it is larger than the sum of its proper divisors (52613).

157827 is an equidigital number, since it uses as much as digits as its factorization.

157827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52612.

The product of its digits is 3920, while the sum is 30.

The square root of 157827 is about 397.2744643191. The cubic root of 157827 is about 54.0414633535.

The spelling of 157827 in words is "one hundred fifty-seven thousand, eight hundred twenty-seven".