79945653 has 8 divisors (see below), whose sum is σ = 106787808. Its totient is φ = 53200304.

The previous prime is 79945651. The next prime is 79945661. The reversal of 79945653 is 35654997.

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 79945653 - 2¹ = 79945651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79945651) 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, 22251 + ... + 25592.

It is an arithmetic number, because the mean of its divisors is an integer number (13348476).

Almost surely, 2^79945653 is an apocalyptic number.

It is an amenable number.

79945653 is a deficient number, since it is larger than the sum of its proper divisors (26842155).

79945653 is a wasteful number, since it uses less digits than its factorization.

79945653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48403.

The product of its digits is 1020600, while the sum is 48.

The square root of 79945653 is about 8941.2333041924. The cubic root of 79945653 is about 430.7893433514.

The spelling of 79945653 in words is "seventy-nine million, nine hundred forty-five thousand, six hundred fifty-three".