87430838 has 8 divisors (see below), whose sum is σ = 143068680. Its totient is φ = 39741280.

The previous prime is 87430793. The next prime is 87430879. The reversal of 87430838 is 83803478.

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

It is a junction number, because it is equal to n+sod(n) for n = 87430795 and 87430804.

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, 1987043 + ... + 1987086.

It is an arithmetic number, because the mean of its divisors is an integer number (17883585).

Almost surely, 2^87430838 is an apocalyptic number.

87430838 is a deficient number, since it is larger than the sum of its proper divisors (55637842).

87430838 is a wasteful number, since it uses less digits than its factorization.

87430838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974142.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 87430838 is about 9350.4458717218. The cubic root of 87430838 is about 443.8350001029.

The spelling of 87430838 in words is "eighty-seven million, four hundred thirty thousand, eight hundred thirty-eight".