158788780919 has 4 divisors (see below), whose sum is σ = 158899901160. Its totient is φ = 158677660680.

The previous prime is 158788780907. The next prime is 158788780939. The reversal of 158788780919 is 919087887851.

158788780919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158788780919 - 2⁴ = 158788780903 is a prime.

It is a super-2 number, since 2×158788780919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158788780939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55557977 + ... + 55560834.

It is an arithmetic number, because the mean of its divisors is an integer number (39724975290).

Almost surely, 2^158788780919 is an apocalyptic number.

158788780919 is a deficient number, since it is larger than the sum of its proper divisors (111120241).

158788780919 is a wasteful number, since it uses less digits than its factorization.

158788780919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111120240.

The product of its (nonzero) digits is 81285120, while the sum is 71.

The spelling of 158788780919 in words is "one hundred fifty-eight billion, seven hundred eighty-eight million, seven hundred eighty thousand, nine hundred nineteen".