158772797 has 8 divisors (see below), whose sum is σ = 168610560. Its totient is φ = 149083200.

The previous prime is 158772763. The next prime is 158772833. The reversal of 158772797 is 797277851.

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 158772797 - 2¹⁴ = 158756413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158771797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34829 + ... + 39122.

It is an arithmetic number, because the mean of its divisors is an integer number (21076320).

Almost surely, 2^158772797 is an apocalyptic number.

It is an amenable number.

158772797 is a deficient number, since it is larger than the sum of its proper divisors (9837763).

158772797 is a wasteful number, since it uses less digits than its factorization.

158772797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74083.

The product of its digits is 1728720, while the sum is 53.

The square root of 158772797 is about 12600.5078072275. The cubic root of 158772797 is about 541.4919839196.

The spelling of 158772797 in words is "one hundred fifty-eight million, seven hundred seventy-two thousand, seven hundred ninety-seven".