78469854235 has 16 divisors (see below), whose sum is σ = 95104788480. Its totient is φ = 62148918240.

The previous prime is 78469854191. The next prime is 78469854269. The reversal of 78469854235 is 53245896487.

It is not a de Polignac number, because 78469854235 - 2³³ = 69879919643 is a prime.

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, 1994686 + ... + 2033644.

It is an arithmetic number, because the mean of its divisors is an integer number (5944049280).

Almost surely, 2^78469854235 is an apocalyptic number.

78469854235 is a deficient number, since it is larger than the sum of its proper divisors (16634934245).

78469854235 is a wasteful number, since it uses less digits than its factorization.

78469854235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42978.

The product of its digits is 58060800, while the sum is 61.

The spelling of 78469854235 in words is "seventy-eight billion, four hundred sixty-nine million, eight hundred fifty-four thousand, two hundred thirty-five".