978685100268 has 24 divisors (see below), whose sum is σ = 2301030621120. Its totient is φ = 323738073360.

The previous prime is 978685100203. The next prime is 978685100269. The reversal of 978685100268 is 862001586879.

It is not an unprimeable number, because it can be changed into a prime (978685100269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311285038 + ... + 311288181.

It is an arithmetic number, because the mean of its divisors is an integer number (95876275880).

Almost surely, 2^978685100268 is an apocalyptic number.

It is an amenable number.

978685100268 is an abundant number, since it is smaller than the sum of its proper divisors (1322345520852).

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

978685100268 is a wasteful number, since it uses less digits than its factorization.

978685100268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622573357 (or 622573355 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 978685100268 in words is "nine hundred seventy-eight billion, six hundred eighty-five million, one hundred thousand, two hundred sixty-eight".