79307305491 has 8 divisors (see below), whose sum is σ = 110340599040. Its totient is φ = 50572774472.

The previous prime is 79307305457. The next prime is 79307305507. The reversal of 79307305491 is 19450370397.

It is a happy number.

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 79307305491 - 2¹⁰ = 79307304467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79307305491.

It is not an unprimeable number, because it can be changed into a prime (79307304491) 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, 574690551 + ... + 574690688.

It is an arithmetic number, because the mean of its divisors is an integer number (13792574880).

Almost surely, 2^79307305491 is an apocalyptic number.

79307305491 is a deficient number, since it is larger than the sum of its proper divisors (31033293549).

79307305491 is a wasteful number, since it uses less digits than its factorization.

79307305491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149381265.

The product of its (nonzero) digits is 714420, while the sum is 48.

The spelling of 79307305491 in words is "seventy-nine billion, three hundred seven million, three hundred five thousand, four hundred ninety-one".