78163064053 has 4 divisors (see below), whose sum is σ = 80684453248. Its totient is φ = 75641674860.

The previous prime is 78163064039. The next prime is 78163064107. The reversal of 78163064053 is 35046036187.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78163064053 - 2²¹ = 78160966901 is a prime.

It is a super-2 number, since 2×78163064053² (a number of 23 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 (78163064033) 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 3 ways as a sum of consecutive naturals, for example, 1260694551 + ... + 1260694612.

It is an arithmetic number, because the mean of its divisors is an integer number (20171113312).

Almost surely, 2^78163064053 is an apocalyptic number.

It is an amenable number.

78163064053 is a deficient number, since it is larger than the sum of its proper divisors (2521389195).

78163064053 is a wasteful number, since it uses less digits than its factorization.

78163064053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521389194.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 78163064053 in words is "seventy-eight billion, one hundred sixty-three million, sixty-four thousand, fifty-three".