87742118 has 8 divisors (see below), whose sum is σ = 131919840. Its totient is φ = 43768840.

The previous prime is 87742099. The next prime is 87742129. The reversal of 87742118 is 81124778.

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

It is a super-2 number, since 2×87742118² = 15397358542251848, which contains 22 as substring.

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, 50033 + ... + 51756.

It is an arithmetic number, because the mean of its divisors is an integer number (16489980).

Almost surely, 2^87742118 is an apocalyptic number.

87742118 is a deficient number, since it is larger than the sum of its proper divisors (44177722).

87742118 is a wasteful number, since it uses less digits than its factorization.

87742118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102222.

The product of its digits is 25088, while the sum is 38.

The square root of 87742118 is about 9367.0762781137. The cubic root of 87742118 is about 444.3611047949.

The spelling of 87742118 in words is "eighty-seven million, seven hundred forty-two thousand, one hundred eighteen".