79018897 has 4 divisors (see below), whose sum is σ = 79349760. Its totient is φ = 78688036.

The previous prime is 79018883. The next prime is 79018903. The reversal of 79018897 is 79881097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79018897 - 2⁷ = 79018769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79018897.

It is not an unprimeable number, because it can be changed into a prime (79018817) 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, 165073 + ... + 165550.

It is an arithmetic number, because the mean of its divisors is an integer number (19837440).

Almost surely, 2^79018897 is an apocalyptic number.

It is an amenable number.

79018897 is a deficient number, since it is larger than the sum of its proper divisors (330863).

79018897 is a wasteful number, since it uses less digits than its factorization.

79018897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330862.

The product of its (nonzero) digits is 254016, while the sum is 49.

The square root of 79018897 is about 8889.2573930560. The cubic root of 79018897 is about 429.1182526382.

The spelling of 79018897 in words is "seventy-nine million, eighteen thousand, eight hundred ninety-seven".