78743551793 has 8 divisors (see below), whose sum is σ = 80521168512. Its totient is φ = 76970194416.

The previous prime is 78743551769. The next prime is 78743551807. The reversal of 78743551793 is 39715534787.

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

It is a cyclic number.

It is not a de Polignac number, because 78743551793 - 2¹⁶ = 78743486257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78743557793) 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, 1027430 + ... + 1101407.

It is an arithmetic number, because the mean of its divisors is an integer number (10065146064).

Almost surely, 2^78743551793 is an apocalyptic number.

It is an amenable number.

78743551793 is a deficient number, since it is larger than the sum of its proper divisors (1777616719).

78743551793 is a wasteful number, since it uses less digits than its factorization.

78743551793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129671.

The product of its digits is 22226400, while the sum is 59.

The spelling of 78743551793 in words is "seventy-eight billion, seven hundred forty-three million, five hundred fifty-one thousand, seven hundred ninety-three".