87040158 has 16 divisors (see below), whose sum is σ = 174374400. Its totient is φ = 28964376.

The previous prime is 87040141. The next prime is 87040201. The reversal of 87040158 is 85104078.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8308 + ... + 15591.

It is an arithmetic number, because the mean of its divisors is an integer number (10898400).

Almost surely, 2^87040158 is an apocalyptic number.

87040158 is an abundant number, since it is smaller than the sum of its proper divisors (87334242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87040158 is a wasteful number, since it uses less digits than its factorization.

87040158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24511.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 87040158 is about 9329.5314994913. The cubic root of 87040158 is about 443.1729286977.

The spelling of 87040158 in words is "eighty-seven million, forty thousand, one hundred fifty-eight".