87830390 has 8 divisors (see below), whose sum is σ = 158094720. Its totient is φ = 35132152.

The previous prime is 87830377. The next prime is 87830401. The reversal of 87830390 is 9303878.

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, 4391510 + ... + 4391529.

It is an arithmetic number, because the mean of its divisors is an integer number (19761840).

Almost surely, 2^87830390 is an apocalyptic number.

87830390 is a deficient number, since it is larger than the sum of its proper divisors (70264330).

87830390 is a wasteful number, since it uses less digits than its factorization.

87830390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8783046.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 87830390 is about 9371.7869160582. The cubic root of 87830390 is about 444.5100697308.

The spelling of 87830390 in words is "eighty-seven million, eight hundred thirty thousand, three hundred ninety".