87622018 has 8 divisors (see below), whose sum is σ = 143381520. Its totient is φ = 39828180.

The previous prime is 87622001. The next prime is 87622037. The reversal of 87622018 is 81022678.

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

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, 1991388 + ... + 1991431.

It is an arithmetic number, because the mean of its divisors is an integer number (17922690).

Almost surely, 2^87622018 is an apocalyptic number.

87622018 is a deficient number, since it is larger than the sum of its proper divisors (55759502).

87622018 is a wasteful number, since it uses less digits than its factorization.

87622018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982832.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 87622018 is about 9360.6633311961. The cubic root of 87622018 is about 444.1582674420.

The spelling of 87622018 in words is "eighty-seven million, six hundred twenty-two thousand, eighteen".