68464570787 has 8 divisors (see below), whose sum is σ = 71449779456. Its totient is φ = 65480069512.

The previous prime is 68464570753. The next prime is 68464570789. The reversal of 68464570787 is 78707546486.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-68464570787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68464570789) 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, 25898 + ... + 370944.

It is an arithmetic number, because the mean of its divisors is an integer number (8931222432).

Almost surely, 2^68464570787 is an apocalyptic number.

68464570787 is a deficient number, since it is larger than the sum of its proper divisors (2985208669).

68464570787 is a wasteful number, since it uses less digits than its factorization.

68464570787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353697.

The product of its (nonzero) digits is 63221760, while the sum is 62.

The spelling of 68464570787 in words is "sixty-eight billion, four hundred sixty-four million, five hundred seventy thousand, seven hundred eighty-seven".