158378086 has 16 divisors (see below), whose sum is σ = 251782560. Its totient is φ = 74459520.

The previous prime is 158378071. The next prime is 158378089. The reversal of 158378086 is 680873851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158378089) 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, 55351 + ... + 58141.

It is an arithmetic number, because the mean of its divisors is an integer number (15736410).

Almost surely, 2^158378086 is an apocalyptic number.

158378086 is a deficient number, since it is larger than the sum of its proper divisors (93404474).

158378086 is a wasteful number, since it uses less digits than its factorization.

158378086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 158378086 is about 12584.8355571299. The cubic root of 158378086 is about 541.0428931315.

The spelling of 158378086 in words is "one hundred fifty-eight million, three hundred seventy-eight thousand, eighty-six".