978685100202 has 16 divisors (see below), whose sum is σ = 1957479881472. Its totient is φ = 326210086560.

The previous prime is 978685100201. The next prime is 978685100203. The reversal of 978685100202 is 202001586879.

978685100202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (978685100201) and next prime (978685100203).

It is not an unprimeable number, because it can be changed into a prime (978685100201) 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, 4453818 + ... + 4668389.

It is an arithmetic number, because the mean of its divisors is an integer number (122342492592).

Almost surely, 2^978685100202 is an apocalyptic number.

978685100202 is an abundant number, since it is smaller than the sum of its proper divisors (978794781270).

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

978685100202 is a wasteful number, since it uses less digits than its factorization.

978685100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9140093.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 978685100202 in words is "nine hundred seventy-eight billion, six hundred eighty-five million, one hundred thousand, two hundred two".