158783397 has 8 divisors (see below), whose sum is σ = 213327840. Its totient is φ = 105047280.

The previous prime is 158783393. The next prime is 158783407. The reversal of 158783397 is 793387851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158783397 - 2² = 158783393 is a prime.

It is a super-3 number, since 3×158783397³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158783393) 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, 201622 + ... + 202407.

It is an arithmetic number, because the mean of its divisors is an integer number (26665980).

Almost surely, 2^158783397 is an apocalyptic number.

It is an amenable number.

158783397 is a deficient number, since it is larger than the sum of its proper divisors (54544443).

158783397 is a wasteful number, since it uses less digits than its factorization.

158783397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404163.

The product of its digits is 1270080, while the sum is 51.

The square root of 158783397 is about 12600.9284181762. The cubic root of 158783397 is about 541.5040340260.

The spelling of 158783397 in words is "one hundred fifty-eight million, seven hundred eighty-three thousand, three hundred ninety-seven".