158740887 has 4 divisors (see below), whose sum is σ = 211654520. Its totient is φ = 105827256.

The previous prime is 158740859. The next prime is 158740891. The reversal of 158740887 is 788047851.

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

It is not a de Polignac number, because 158740887 - 2⁶ = 158740823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158740837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26456812 + ... + 26456817.

It is an arithmetic number, because the mean of its divisors is an integer number (52913630).

Almost surely, 2^158740887 is an apocalyptic number.

158740887 is a deficient number, since it is larger than the sum of its proper divisors (52913633).

158740887 is an equidigital number, since it uses as much as digits as its factorization.

158740887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52913632.

The product of its (nonzero) digits is 501760, while the sum is 48.

The square root of 158740887 is about 12599.2415247903. The cubic root of 158740887 is about 541.4557053143.

The spelling of 158740887 in words is "one hundred fifty-eight million, seven hundred forty thousand, eight hundred eighty-seven".