68088073407 has 4 divisors (see below), whose sum is σ = 90784097880. Its totient is φ = 45392048936.

The previous prime is 68088073387. The next prime is 68088073421. The reversal of 68088073407 is 70437088086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68088073407 - 2²² = 68083879103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68088073407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68088078407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11348012232 + ... + 11348012237.

It is an arithmetic number, because the mean of its divisors is an integer number (22696024470).

Almost surely, 2^68088073407 is an apocalyptic number.

68088073407 is a deficient number, since it is larger than the sum of its proper divisors (22696024473).

68088073407 is a wasteful number, since it uses less digits than its factorization.

68088073407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22696024472.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 68088073407 in words is "sixty-eight billion, eighty-eight million, seventy-three thousand, four hundred seven".