79752042045 has 64 divisors (see below), whose sum is σ = 153890365440. Its totient is φ = 38953281024.

The previous prime is 79752042011. The next prime is 79752042049. The reversal of 79752042045 is 54024025797.

It is not a de Polignac number, because 79752042045 - 2⁶ = 79752041981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79752042049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43977 + ... + 401793.

It is an arithmetic number, because the mean of its divisors is an integer number (2404536960).

Almost surely, 2^79752042045 is an apocalyptic number.

It is an amenable number.

79752042045 is a deficient number, since it is larger than the sum of its proper divisors (74138323395).

79752042045 is a wasteful number, since it uses less digits than its factorization.

79752042045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357971 (or 357965 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 79752042045 in words is "seventy-nine billion, seven hundred fifty-two million, forty-two thousand, forty-five".