79648557943 has 8 divisors (see below), whose sum is σ = 81364089600. Its totient is φ = 77933896440.

The previous prime is 79648557893. The next prime is 79648557959. The reversal of 79648557943 is 34975584697.

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 79648557943 - 2⁹ = 79648557431 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 (79648557983) 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, 30793 + ... + 400306.

It is an arithmetic number, because the mean of its divisors is an integer number (10170511200).

Almost surely, 2^79648557943 is an apocalyptic number.

79648557943 is a deficient number, since it is larger than the sum of its proper divisors (1715531657).

79648557943 is a wasteful number, since it uses less digits than its factorization.

79648557943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435077.

The product of its digits is 228614400, while the sum is 67.

The spelling of 79648557943 in words is "seventy-nine billion, six hundred forty-eight million, five hundred fifty-seven thousand, nine hundred forty-three".