79744855 has 8 divisors (see below), whose sum is σ = 95836464. Its totient is φ = 63700800.

The previous prime is 79744849. The next prime is 79744859. The reversal of 79744855 is 55844797.

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

It is not a de Polignac number, because 79744855 - 2¹⁷ = 79613783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79744799 and 79744808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79744859) 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, 8086 + ... + 14995.

It is an arithmetic number, because the mean of its divisors is an integer number (11979558).

Almost surely, 2^79744855 is an apocalyptic number.

79744855 is a deficient number, since it is larger than the sum of its proper divisors (16091609).

79744855 is a wasteful number, since it uses less digits than its factorization.

79744855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23777.

The product of its digits is 1411200, while the sum is 49.

The square root of 79744855 is about 8929.9974804028. The cubic root of 79744855 is about 430.4283724582.

The spelling of 79744855 in words is "seventy-nine million, seven hundred forty-four thousand, eight hundred fifty-five".