78851047453 has 16 divisors (see below), whose sum is σ = 87145255296. Its totient is φ = 70964974080.

The previous prime is 78851047421. The next prime is 78851047469. The reversal of 78851047453 is 35474015887.

It is not a de Polignac number, because 78851047453 - 2⁵ = 78851047421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78851047453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78851047493) 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 15 ways as a sum of consecutive naturals, for example, 1368025 + ... + 1424497.

It is an arithmetic number, because the mean of its divisors is an integer number (5446578456).

Almost surely, 2^78851047453 is an apocalyptic number.

It is an amenable number.

78851047453 is a deficient number, since it is larger than the sum of its proper divisors (8294207843).

78851047453 is a wasteful number, since it uses less digits than its factorization.

78851047453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60084.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 78851047453 in words is "seventy-eight billion, eight hundred fifty-one million, forty-seven thousand, four hundred fifty-three".