79569049 has 8 divisors (see below), whose sum is σ = 93051200. Its totient is φ = 66615696.

The previous prime is 79569047. The next prime is 79569079. The reversal of 79569049 is 94096597.

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

It is not a de Polignac number, because 79569049 - 2¹ = 79569047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79568993 and 79569011.

It is not an unprimeable number, because it can be changed into a prime (79569041) 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, 131874 + ... + 132475.

It is an arithmetic number, because the mean of its divisors is an integer number (11631400).

Almost surely, 2^79569049 is an apocalyptic number.

It is an amenable number.

79569049 is a deficient number, since it is larger than the sum of its proper divisors (13482151).

79569049 is a wasteful number, since it uses less digits than its factorization.

79569049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264399.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 79569049 is about 8920.1484853112. The cubic root of 79569049 is about 430.1118313783. Note that the first 3 decimals are identical.

The spelling of 79569049 in words is "seventy-nine million, five hundred sixty-nine thousand, forty-nine".