68990684202 has 80 divisors (see below), whose sum is σ = 174084159744. Its totient is φ = 20231856000.

The previous prime is 68990684201. The next prime is 68990684207. The reversal of 68990684202 is 20248609986.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (68990684201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 569199 + ... + 679682.

Almost surely, 2^68990684202 is an apocalyptic number.

68990684202 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

68990684202 is an abundant number, since it is smaller than the sum of its proper divisors (105093475542).

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

68990684202 is a wasteful number, since it uses less digits than its factorization.

68990684202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248937 (or 1248928 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 68990684202 in words is "sixty-eight billion, nine hundred ninety million, six hundred eighty-four thousand, two hundred two".