78853542530 has 32 divisors (see below), whose sum is σ = 165523478400. Its totient is φ = 27035499120.

The previous prime is 78853542529. The next prime is 78853542557. The reversal of 78853542530 is 3524535887.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11491256 + ... + 11498115.

It is an arithmetic number, because the mean of its divisors is an integer number (5172608700).

Almost surely, 2^78853542530 is an apocalyptic number.

78853542530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78853542530 is an abundant number, since it is smaller than the sum of its proper divisors (86669935870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78853542530 is a wasteful number, since it uses less digits than its factorization.

78853542530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22989399 (or 22989385 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 78853542530 in words is "seventy-eight billion, eight hundred fifty-three million, five hundred forty-two thousand, five hundred thirty".