87390022 has 8 divisors (see below), whose sum is σ = 131416416. Its totient is φ = 43584552.

The previous prime is 87390011. The next prime is 87390049. The reversal of 87390022 is 22009378.

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, 54238 + ... + 55825.

It is an arithmetic number, because the mean of its divisors is an integer number (16427052).

Almost surely, 2^87390022 is an apocalyptic number.

87390022 is a deficient number, since it is larger than the sum of its proper divisors (44026394).

87390022 is a wasteful number, since it uses less digits than its factorization.

87390022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110462.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 87390022 is about 9348.2630472190. The cubic root of 87390022 is about 443.7659230681.

The spelling of 87390022 in words is "eighty-seven million, three hundred ninety thousand, twenty-two".