79461205797 has 4 divisors (see below), whose sum is σ = 105948274400. Its totient is φ = 52974137196.

The previous prime is 79461205787. The next prime is 79461205807. The reversal of 79461205797 is 79750216497.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (79461205787) and next prime (79461205807).

It is not a de Polignac number, because 79461205797 - 2²⁶ = 79394096933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79461205727) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13243534297 + ... + 13243534302.

It is an arithmetic number, because the mean of its divisors is an integer number (26487068600).

Almost surely, 2^79461205797 is an apocalyptic number.

It is an amenable number.

79461205797 is a deficient number, since it is larger than the sum of its proper divisors (26487068603).

79461205797 is a wasteful number, since it uses less digits than its factorization.

79461205797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26487068602.

The product of its (nonzero) digits is 6667920, while the sum is 57.

The spelling of 79461205797 in words is "seventy-nine billion, four hundred sixty-one million, two hundred five thousand, seven hundred ninety-seven".