68215678053 has 16 divisors (see below), whose sum is σ = 92255980800. Its totient is φ = 44830180800.

The previous prime is 68215677991. The next prime is 68215678067. The reversal of 68215678053 is 35087651286.

It is a happy number.

It is not a de Polignac number, because 68215678053 - 2⁸ = 68215677797 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68215677987 and 68215678005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68215608053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422173 + ... + 560946.

It is an arithmetic number, because the mean of its divisors is an integer number (5765998800).

Almost surely, 2^68215678053 is an apocalyptic number.

It is an amenable number.

68215678053 is a deficient number, since it is larger than the sum of its proper divisors (24040302747).

68215678053 is a wasteful number, since it uses less digits than its factorization.

68215678053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983452.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 68215678053 in words is "sixty-eight billion, two hundred fifteen million, six hundred seventy-eight thousand, fifty-three".