158477279 has 8 divisors (see below), whose sum is σ = 162025920. Its totient is φ = 154936096.

The previous prime is 158477273. The next prime is 158477299. The reversal of 158477279 is 972774851.

It is a happy number.

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 158477279 - 2⁸ = 158477023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158477273) 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, 79337 + ... + 81309.

It is an arithmetic number, because the mean of its divisors is an integer number (20253240).

Almost surely, 2^158477279 is an apocalyptic number.

158477279 is a deficient number, since it is larger than the sum of its proper divisors (3548641).

158477279 is a wasteful number, since it uses less digits than its factorization.

158477279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729.

The product of its digits is 987840, while the sum is 50.

The square root of 158477279 is about 12588.7759134874. The cubic root of 158477279 is about 541.1558221965.

It can be divided in two parts, 1584772 and 79, that added together give a palindrome (1584851).

The spelling of 158477279 in words is "one hundred fifty-eight million, four hundred seventy-seven thousand, two hundred seventy-nine".