78505107483 has 32 divisors (see below), whose sum is σ = 120929552640. Its totient is φ = 44771471360.

The previous prime is 78505107481. The next prime is 78505107487. The reversal of 78505107483 is 38470150587.

It is a happy number.

It is not a de Polignac number, because 78505107483 - 2¹ = 78505107481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78505107481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3927691 + ... + 3947627.

It is an arithmetic number, because the mean of its divisors is an integer number (3779048520).

Almost surely, 2^78505107483 is an apocalyptic number.

78505107483 is a deficient number, since it is larger than the sum of its proper divisors (42424445157).

78505107483 is a wasteful number, since it uses less digits than its factorization.

78505107483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26987.

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 78505107483 in words is "seventy-eight billion, five hundred five million, one hundred seven thousand, four hundred eighty-three".