68292550872 has 672 divisors, whose sum is σ = 248685655680. Its totient is φ = 17400821760.

The previous prime is 68292550871. The next prime is 68292550883. The reversal of 68292550872 is 27805529286.

It is a happy number.

68292550872 is a `hidden beast` number, since 6 + 8 + 2 + 9 + 2 + 550 + 87 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68292550871) by changing a digit.

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 167 ways as a sum of consecutive naturals, for example, 115164208 + ... + 115164800.

It is an arithmetic number, because the mean of its divisors is an integer number (370067940).

Almost surely, 2^68292550872 is an apocalyptic number.

68292550872 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68292550872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124342827840).

68292550872 is an abundant number, since it is smaller than the sum of its proper divisors (180393104808).

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

68292550872 is a wasteful number, since it uses less digits than its factorization.

68292550872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 68292550872 in words is "sixty-eight billion, two hundred ninety-two million, five hundred fifty thousand, eight hundred seventy-two".