79009955 has 8 divisors (see below), whose sum is σ = 95504832. Its totient is φ = 62746048.

The previous prime is 79009937. The next prime is 79009967. The reversal of 79009955 is 55990097.

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 79009955 - 2¹² = 79005859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 56987 + ... + 58356.

It is an arithmetic number, because the mean of its divisors is an integer number (11938104).

Almost surely, 2^79009955 is an apocalyptic number.

79009955 is a deficient number, since it is larger than the sum of its proper divisors (16494877).

79009955 is a wasteful number, since it uses less digits than its factorization.

79009955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115485.

The product of its (nonzero) digits is 127575, while the sum is 44.

The square root of 79009955 is about 8888.7544121772. The cubic root of 79009955 is about 429.1020652859.

The spelling of 79009955 in words is "seventy-nine million, nine thousand, nine hundred fifty-five".