79747066395 has 24 divisors (see below), whose sum is σ = 138264442992. Its totient is φ = 42520632000.

The previous prime is 79747066381. The next prime is 79747066409. The reversal of 79747066395 is 59366074797.

79747066395 is a `hidden beast` number, since 79 + 7 + 470 + 6 + 6 + 3 + 95 = 666.

It is an interprime number because it is at equal distance from previous prime (79747066381) and next prime (79747066409).

It is not a de Polignac number, because 79747066395 - 2⁴ = 79747066379 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56796 + ... + 403385.

It is an arithmetic number, because the mean of its divisors is an integer number (5761018458).

Almost surely, 2^79747066395 is an apocalyptic number.

79747066395 is a deficient number, since it is larger than the sum of its proper divisors (58517376597).

79747066395 is a wasteful number, since it uses less digits than its factorization.

79747066395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464043 (or 464040 counting only the distinct ones).

The product of its (nonzero) digits is 60011280, while the sum is 63.

The spelling of 79747066395 in words is "seventy-nine billion, seven hundred forty-seven million, sixty-six thousand, three hundred ninety-five".