79603597677 has 8 divisors (see below), whose sum is σ = 106140280864. Its totient is φ = 53067989808.

The previous prime is 79603597643. The next prime is 79603597687. The reversal of 79603597677 is 77679530697.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79603597677 - 2¹² = 79603593581 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 (79603597687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76423 + ... + 406260.

It is an arithmetic number, because the mean of its divisors is an integer number (13267535108).

Almost surely, 2^79603597677 is an apocalyptic number.

It is an amenable number.

79603597677 is a deficient number, since it is larger than the sum of its proper divisors (26536683187).

79603597677 is a wasteful number, since it uses less digits than its factorization.

79603597677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537659.

The product of its (nonzero) digits is 105019740, while the sum is 66.

The spelling of 79603597677 in words is "seventy-nine billion, six hundred three million, five hundred ninety-seven thousand, six hundred seventy-seven".