79009890097 has 8 divisors (see below), whose sum is σ = 80306595936. Its totient is φ = 77716638912.

The previous prime is 79009890059. The next prime is 79009890107.

79009890097 is nontrivially palindromic in base 10.

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 79009890097 - 2¹¹ = 79009888049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79009890017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817528 + ... + 909049.

It is an arithmetic number, because the mean of its divisors is an integer number (10038324492).

Almost surely, 2^79009890097 is an apocalyptic number.

It is an amenable number.

79009890097 is a deficient number, since it is larger than the sum of its proper divisors (1296705839).

79009890097 is a wasteful number, since it uses less digits than its factorization.

79009890097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727327.

The product of its (nonzero) digits is 2571912, while the sum is 58.

The spelling of 79009890097 in words is "seventy-nine billion, nine million, eight hundred ninety thousand, ninety-seven".