79078479 has 4 divisors (see below), whose sum is σ = 105437976. Its totient is φ = 52718984.

The previous prime is 79078477. The next prime is 79078481. The reversal of 79078479 is 97487097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97487097 = 3 ⋅32495699.

It is an interprime number because it is at equal distance from previous prime (79078477) and next prime (79078481).

It is a cyclic number.

It is not a de Polignac number, because 79078479 - 2¹ = 79078477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79078477) 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, 13179744 + ... + 13179749.

It is an arithmetic number, because the mean of its divisors is an integer number (26359494).

Almost surely, 2^79078479 is an apocalyptic number.

79078479 is a deficient number, since it is larger than the sum of its proper divisors (26359497).

79078479 is a wasteful number, since it uses less digits than its factorization.

79078479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26359496.

The product of its (nonzero) digits is 889056, while the sum is 51.

The square root of 79078479 is about 8892.6081101103. The cubic root of 79078479 is about 429.2260804329.

The spelling of 79078479 in words is "seventy-nine million, seventy-eight thousand, four hundred seventy-nine".