989230484758 has 4 divisors (see below), whose sum is σ = 1483845727140. Its totient is φ = 494615242378.

The previous prime is 989230484699. The next prime is 989230484761. The reversal of 989230484758 is 857484032989.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 989230484693 and 989230484702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247307621188 + ... + 247307621191.

It is an arithmetic number, because the mean of its divisors is an integer number (370961431785).

Almost surely, 2^989230484758 is an apocalyptic number.

989230484758 is a deficient number, since it is larger than the sum of its proper divisors (494615242382).

989230484758 is a wasteful number, since it uses less digits than its factorization.

989230484758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494615242381.

The product of its (nonzero) digits is 139345920, while the sum is 67.

The spelling of 989230484758 in words is "nine hundred eighty-nine billion, two hundred thirty million, four hundred eighty-four thousand, seven hundred fifty-eight".