79330870077 has 4 divisors (see below), whose sum is σ = 105774493440. Its totient is φ = 52887246716.

The previous prime is 79330870063. The next prime is 79330870123. The reversal of 79330870077 is 77007803397.

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 79330870077 - 2⁷ = 79330869949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79330870027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13221811677 + ... + 13221811682.

It is an arithmetic number, because the mean of its divisors is an integer number (26443623360).

Almost surely, 2^79330870077 is an apocalyptic number.

It is an amenable number.

79330870077 is a deficient number, since it is larger than the sum of its proper divisors (26443623363).

79330870077 is a wasteful number, since it uses less digits than its factorization.

79330870077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26443623362.

The product of its (nonzero) digits is 1555848, while the sum is 51.

The spelling of 79330870077 in words is "seventy-nine billion, three hundred thirty million, eight hundred seventy thousand, seventy-seven".