158786772727399 has 2 divisors, whose sum is σ = 158786772727400. Its totient is φ = 158786772727398.

The previous prime is 158786772727309. The next prime is 158786772727403. The reversal of 158786772727399 is 993727277687851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158786772727399 - 2²⁵ = 158786739172967 is a prime.

It is a super-3 number, since 3×158786772727399³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158786772727309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79393386363699 + 79393386363700.

It is an arithmetic number, because the mean of its divisors is an integer number (79393386363700).

Almost surely, 2^{158786772727399} is an apocalyptic number.

158786772727399 is a deficient number, since it is larger than the sum of its proper divisors (1).

158786772727399 is an equidigital number, since it uses as much as digits as its factorization.

158786772727399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31365895680, while the sum is 88.

The spelling of 158786772727399 in words is "one hundred fifty-eight trillion, seven hundred eighty-six billion, seven hundred seventy-two million, seven hundred twenty-seven thousand, three hundred ninety-nine".