989761380654 has 8 divisors (see below), whose sum is σ = 1979522761320. Its totient is φ = 329920460216.

The previous prime is 989761380527. The next prime is 989761380659. The reversal of 989761380654 is 456083167989.

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

989761380654 is an admirable number.

It is a super-2 number, since 2×989761380654² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989761380659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82480115049 + ... + 82480115060.

It is an arithmetic number, because the mean of its divisors is an integer number (247440345165).

Almost surely, 2^989761380654 is an apocalyptic number.

989761380654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989761380654 is a wasteful number, since it uses less digits than its factorization.

989761380654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164960230114.

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 989761380654 in words is "nine hundred eighty-nine billion, seven hundred sixty-one million, three hundred eighty thousand, six hundred fifty-four".