79925773 has 4 divisors (see below), whose sum is σ = 79963740. Its totient is φ = 79887808.

The previous prime is 79925767. The next prime is 79925779. The reversal of 79925773 is 37752997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37752997 = 353 ⋅106949.

It is an interprime number because it is at equal distance from previous prime (79925767) and next prime (79925779).

It can be written as a sum of positive squares in 2 ways, for example, as 25431849 + 54493924 = 5043^2 + 7382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79925773 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 (79925779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15628 + ... + 20101.

It is an arithmetic number, because the mean of its divisors is an integer number (19990935).

Almost surely, 2^79925773 is an apocalyptic number.

It is an amenable number.

79925773 is a deficient number, since it is larger than the sum of its proper divisors (37967).

79925773 is a wasteful number, since it uses less digits than its factorization.

79925773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37966.

The product of its digits is 833490, while the sum is 49.

The square root of 79925773 is about 8940.1215316124. The cubic root of 79925773 is about 430.7536324161.

The spelling of 79925773 in words is "seventy-nine million, nine hundred twenty-five thousand, seven hundred seventy-three".