68152753780 has 48 divisors (see below), whose sum is σ = 145883787840. Its totient is φ = 26736956928.

The previous prime is 68152753771. The next prime is 68152753783. The reversal of 68152753780 is 8735725186.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68152753783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444247 + ... + 577633.

It is an arithmetic number, because the mean of its divisors is an integer number (3039245580).

Almost surely, 2^68152753780 is an apocalyptic number.

It is an amenable number.

68152753780 is an abundant number, since it is smaller than the sum of its proper divisors (77731034060).

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

68152753780 is a wasteful number, since it uses less digits than its factorization.

68152753780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133888 (or 133886 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 68152753780 in words is "sixty-eight billion, one hundred fifty-two million, seven hundred fifty-three thousand, seven hundred eighty".