158378487 has 8 divisors (see below), whose sum is σ = 211317120. Its totient is φ = 105512760.

The previous prime is 158378459. The next prime is 158378551. The reversal of 158378487 is 784873851.

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

It is not a de Polignac number, because 158378487 - 2¹⁶ = 158312951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158378447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12937 + ... + 22002.

It is an arithmetic number, because the mean of its divisors is an integer number (26414640).

Almost surely, 2^158378487 is an apocalyptic number.

158378487 is a deficient number, since it is larger than the sum of its proper divisors (52938633).

158378487 is a wasteful number, since it uses less digits than its factorization.

158378487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36453.

The product of its digits is 1505280, while the sum is 51.

The square root of 158378487 is about 12584.8514889926. The cubic root of 158378487 is about 541.0433497562.

The spelling of 158378487 in words is "one hundred fifty-eight million, three hundred seventy-eight thousand, four hundred eighty-seven".