68088840807 has 8 divisors (see below), whose sum is σ = 97768591984. Its totient is φ = 41900825088.

The previous prime is 68088840803. The next prime is 68088840811. The reversal of 68088840807 is 70804888086.

It is an interprime number because it is at equal distance from previous prime (68088840803) and next prime (68088840811).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68088840807 - 2² = 68088840803 is a prime.

It is a super-2 number, since 2×68088840807² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68088840803) 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, 872933818 + ... + 872933895.

It is an arithmetic number, because the mean of its divisors is an integer number (12221073998).

Almost surely, 2^68088840807 is an apocalyptic number.

68088840807 is a deficient number, since it is larger than the sum of its proper divisors (29679751177).

68088840807 is a wasteful number, since it uses less digits than its factorization.

68088840807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745867729.

The product of its (nonzero) digits is 5505024, while the sum is 57.

The spelling of 68088840807 in words is "sixty-eight billion, eighty-eight million, eight hundred forty thousand, eight hundred seven".