79219049 has 16 divisors (see below), whose sum is σ = 97722240. Its totient is φ = 62536320.

The previous prime is 79219033. The next prime is 79219057. The reversal of 79219049 is 94091297.

It is a happy number.

It is not a de Polignac number, because 79219049 - 2⁴ = 79219033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79218997 and 79219015.

It is not an unprimeable number, because it can be changed into a prime (79219069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59309 + ... + 60629.

It is an arithmetic number, because the mean of its divisors is an integer number (6107640).

Almost surely, 2^79219049 is an apocalyptic number.

It is an amenable number.

79219049 is a deficient number, since it is larger than the sum of its proper divisors (18503191).

79219049 is a wasteful number, since it uses less digits than its factorization.

79219049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 79219049 is about 8900.5083562682. The cubic root of 79219049 is about 429.4802608152.

The spelling of 79219049 in words is "seventy-nine million, two hundred nineteen thousand, forty-nine".