79993705 has 24 divisors (see below), whose sum is σ = 111081600. Its totient is φ = 55107360.

The previous prime is 79993703. The next prime is 79993777. The reversal of 79993705 is 50739997.

It is not a de Polignac number, because 79993705 - 2¹ = 79993703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79993703) 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 23 ways as a sum of consecutive naturals, for example, 8016 + ... + 14974.

It is an arithmetic number, because the mean of its divisors is an integer number (4628400).

Almost surely, 2^79993705 is an apocalyptic number.

It is an amenable number.

79993705 is a deficient number, since it is larger than the sum of its proper divisors (31087895).

79993705 is a wasteful number, since it uses less digits than its factorization.

79993705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005 (or 6994 counting only the distinct ones).

The product of its (nonzero) digits is 535815, while the sum is 49.

The square root of 79993705 is about 8943.9200018784. The cubic root of 79993705 is about 430.8756359046.

The spelling of 79993705 in words is "seventy-nine million, nine hundred ninety-three thousand, seven hundred five".