79355485247 has 16 divisors (see below), whose sum is σ = 85683018240. Its totient is φ = 73269067872.

The previous prime is 79355485211. The next prime is 79355485249. The reversal of 79355485247 is 74258455397.

It is a cyclic number.

It is not a de Polignac number, because 79355485247 - 2²⁰ = 79354436671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79355485249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3057278 + ... + 3083124.

It is an arithmetic number, because the mean of its divisors is an integer number (5355188640).

Almost surely, 2^79355485247 is an apocalyptic number.

79355485247 is a deficient number, since it is larger than the sum of its proper divisors (6327532993).

79355485247 is a wasteful number, since it uses less digits than its factorization.

79355485247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30502.

The product of its digits is 42336000, while the sum is 59.

The spelling of 79355485247 in words is "seventy-nine billion, three hundred fifty-five million, four hundred eighty-five thousand, two hundred forty-seven".