79505078 has 8 divisors (see below), whose sum is σ = 119432280. Its totient is φ = 39694320.

The previous prime is 79505071. The next prime is 79505117. The reversal of 79505078 is 87050597.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79505071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27383 + ... + 30146.

It is an arithmetic number, because the mean of its divisors is an integer number (14929035).

Almost surely, 2^79505078 is an apocalyptic number.

79505078 is a deficient number, since it is larger than the sum of its proper divisors (39927202).

79505078 is a wasteful number, since it uses less digits than its factorization.

79505078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58222.

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 79505078 is about 8916.5620056163. The cubic root of 79505078 is about 429.9965350361.

The spelling of 79505078 in words is "seventy-nine million, five hundred five thousand, seventy-eight".