158307293878 has 8 divisors (see below), whose sum is σ = 238691308968. Its totient is φ = 78743524224.

The previous prime is 158307293861. The next prime is 158307293909. The reversal of 158307293878 is 878392703851.

158307293878 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×158307293878² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205060876 + ... + 205061647.

It is an arithmetic number, because the mean of its divisors is an integer number (29836413621).

Almost surely, 2^158307293878 is an apocalyptic number.

158307293878 is a deficient number, since it is larger than the sum of its proper divisors (80384015090).

158307293878 is a wasteful number, since it uses less digits than its factorization.

158307293878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410122718.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 158307293878 in words is "one hundred fifty-eight billion, three hundred seven million, two hundred ninety-three thousand, eight hundred seventy-eight".