87420182 has 8 divisors (see below), whose sum is σ = 133353000. Its totient is φ = 42969184.

The previous prime is 87420173. The next prime is 87420191. The reversal of 87420182 is 28102478.

It is an interprime number because it is at equal distance from previous prime (87420173) and next prime (87420191).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370307 + ... + 370542.

It is an arithmetic number, because the mean of its divisors is an integer number (16669125).

Almost surely, 2^87420182 is an apocalyptic number.

87420182 is a deficient number, since it is larger than the sum of its proper divisors (45932818).

87420182 is a wasteful number, since it uses less digits than its factorization.

87420182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740910.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 87420182 is about 9349.8760419591. The cubic root of 87420182 is about 443.8169679530.

The spelling of 87420182 in words is "eighty-seven million, four hundred twenty thousand, one hundred eighty-two".