158677 has 4 divisors (see below), whose sum is σ = 165600. Its totient is φ = 151756.

The previous prime is 158663. The next prime is 158699. The reversal of 158677 is 776851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3427 + ... + 3472.

It is an arithmetic number, because the mean of its divisors is an integer number (41400).

2¹⁵⁸⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

158677 is a deficient number, since it is larger than the sum of its proper divisors (6923).

158677 is an equidigital number, since it uses as much as digits as its factorization.

158677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922.

The product of its digits is 11760, while the sum is 34.

The square root of 158677 is about 398.3428171814. The cubic root of 158677 is about 54.1383057318.

The spelling of 158677 in words is "one hundred fifty-eight thousand, six hundred seventy-seven".