78360272773 has 8 divisors (see below), whose sum is σ = 79795497600. Its totient is φ = 76936131168.

The previous prime is 78360272747. The next prime is 78360272791. The reversal of 78360272773 is 37727206387.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78360272773 is a prime.

It is a super-2 number, since 2×78360272773² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78360272773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78360272873) 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, 2756536 + ... + 2784817.

It is an arithmetic number, because the mean of its divisors is an integer number (9974437200).

Almost surely, 2^78360272773 is an apocalyptic number.

It is an amenable number.

78360272773 is a deficient number, since it is larger than the sum of its proper divisors (1435224827).

78360272773 is a wasteful number, since it uses less digits than its factorization.

78360272773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541611.

The product of its (nonzero) digits is 4148928, while the sum is 52.

The spelling of 78360272773 in words is "seventy-eight billion, three hundred sixty million, two hundred seventy-two thousand, seven hundred seventy-three".