78749723627 has 8 divisors (see below), whose sum is σ = 79875813600. Its totient is φ = 77624104320.

The previous prime is 78749723609. The next prime is 78749723651. The reversal of 78749723627 is 72632794787.

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 78749723627 - 2¹⁴ = 78749707243 is a prime.

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 78749723627.

It is not an unprimeable number, because it can be changed into a prime (78749723527) 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, 226499 + ... + 456947.

It is an arithmetic number, because the mean of its divisors is an integer number (9984476700).

Almost surely, 2^78749723627 is an apocalyptic number.

78749723627 is a deficient number, since it is larger than the sum of its proper divisors (1126089973).

78749723627 is a wasteful number, since it uses less digits than its factorization.

78749723627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235333.

The product of its digits is 49787136, while the sum is 62.

The spelling of 78749723627 in words is "seventy-eight billion, seven hundred forty-nine million, seven hundred twenty-three thousand, six hundred twenty-seven".