79845535 has 64 divisors (see below), whose sum is σ = 127401984. Its totient is φ = 46569600.

The previous prime is 79845533. The next prime is 79845541. The reversal of 79845535 is 53554897.

It is not a de Polignac number, because 79845535 - 2¹ = 79845533 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 (79845533) 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 63 ways as a sum of consecutive naturals, for example, 628642 + ... + 628768.

It is an arithmetic number, because the mean of its divisors is an integer number (1990656).

Almost surely, 2^79845535 is an apocalyptic number.

79845535 is a deficient number, since it is larger than the sum of its proper divisors (47556449).

79845535 is a wasteful number, since it uses less digits than its factorization.

79845535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244.

The product of its digits is 756000, while the sum is 46.

The square root of 79845535 is about 8935.6328818948. The cubic root of 79845535 is about 430.6094387013.

The spelling of 79845535 in words is "seventy-nine million, eight hundred forty-five thousand, five hundred thirty-five".