68765482920 has 64 divisors (see below), whose sum is σ = 206485585920. Its totient is φ = 18320649984.

The previous prime is 68765482909. The next prime is 68765482931. The reversal of 68765482920 is 2928456786.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68765482909) and next prime (68765482931).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130984 + ... + 393303.

It is an arithmetic number, because the mean of its divisors is an integer number (3226337280).

Almost surely, 2^68765482920 is an apocalyptic number.

68765482920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68765482920 is an abundant number, since it is smaller than the sum of its proper divisors (137720103000).

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

68765482920 is a wasteful number, since it uses less digits than its factorization.

68765482920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525394 (or 525390 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 68765482920 in words is "sixty-eight billion, seven hundred sixty-five million, four hundred eighty-two thousand, nine hundred twenty".