79770009 has 8 divisors (see below), whose sum is σ = 116029152. Its totient is φ = 48345440.

The previous prime is 79769993. The next prime is 79770011. The reversal of 79770009 is 90007797.

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

It is not a de Polignac number, because 79770009 - 2⁴ = 79769993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79770029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208604 + ... + 1208669.

It is an arithmetic number, because the mean of its divisors is an integer number (14503644).

Almost surely, 2^79770009 is an apocalyptic number.

It is an amenable number.

79770009 is a deficient number, since it is larger than the sum of its proper divisors (36259143).

79770009 is a wasteful number, since it uses less digits than its factorization.

79770009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417287.

The product of its (nonzero) digits is 27783, while the sum is 39.

The square root of 79770009 is about 8931.4057684107. The cubic root of 79770009 is about 430.4736245191.

The spelling of 79770009 in words is "seventy-nine million, seven hundred seventy thousand, nine".