87872158 has 8 divisors (see below), whose sum is σ = 143790840. Its totient is φ = 39941880.

The previous prime is 87872153. The next prime is 87872171. The reversal of 87872158 is 85127878.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87872153) 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, 1997073 + ... + 1997116.

It is an arithmetic number, because the mean of its divisors is an integer number (17973855).

Almost surely, 2^87872158 is an apocalyptic number.

87872158 is a deficient number, since it is larger than the sum of its proper divisors (55918682).

87872158 is a wasteful number, since it uses less digits than its factorization.

87872158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994202.

The product of its digits is 250880, while the sum is 46.

The square root of 87872158 is about 9374.0150415924. The cubic root of 87872158 is about 444.5805212540.

The spelling of 87872158 in words is "eighty-seven million, eight hundred seventy-two thousand, one hundred fifty-eight".