980649796788 has 72 divisors (see below), whose sum is σ = 2700777240000. Its totient is φ = 307654828416.

The previous prime is 980649796787. The next prime is 980649796811. The reversal of 980649796788 is 887697946089.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980649796787) 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 23 ways as a sum of consecutive naturals, for example, 15678288 + ... + 15740711.

It is an arithmetic number, because the mean of its divisors is an integer number (37510795000).

Almost surely, 2^980649796788 is an apocalyptic number.

It is an amenable number.

980649796788 is an abundant number, since it is smaller than the sum of its proper divisors (1720127443212).

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

980649796788 is a wasteful number, since it uses less digits than its factorization.

980649796788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31419046 (or 31419021 counting only the distinct ones).

The product of its (nonzero) digits is 2633637888, while the sum is 81.

The spelling of 980649796788 in words is "nine hundred eighty billion, six hundred forty-nine million, seven hundred ninety-six thousand, seven hundred eighty-eight".