78752492245 has 16 divisors (see below), whose sum is σ = 108060144768. Its totient is φ = 53973345600.

The previous prime is 78752492239. The next prime is 78752492297. The reversal of 78752492245 is 54229425787.

It is not a de Polignac number, because 78752492245 - 2¹⁵ = 78752459477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 523206 + ... + 656695.

It is an arithmetic number, because the mean of its divisors is an integer number (6753759048).

Almost surely, 2^78752492245 is an apocalyptic number.

It is an amenable number.

78752492245 is a deficient number, since it is larger than the sum of its proper divisors (29307652523).

78752492245 is a wasteful number, since it uses less digits than its factorization.

78752492245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181820.

The product of its digits is 11289600, while the sum is 55.

The spelling of 78752492245 in words is "seventy-eight billion, seven hundred fifty-two million, four hundred ninety-two thousand, two hundred forty-five".