78508522043 has 8 divisors (see below), whose sum is σ = 89767116288. Its totient is φ = 67260700584.

The previous prime is 78508522033. The next prime is 78508522049. The reversal of 78508522043 is 34022580587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78508522043 - 2⁶ = 78508521979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78508521985 and 78508522003.

It is not an unprimeable number, because it can be changed into a prime (78508522049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2677571 + ... + 2706732.

It is an arithmetic number, because the mean of its divisors is an integer number (11220889536).

Almost surely, 2^78508522043 is an apocalyptic number.

78508522043 is a deficient number, since it is larger than the sum of its proper divisors (11258594245).

78508522043 is a wasteful number, since it uses less digits than its factorization.

78508522043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386393.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 78508522043 in words is "seventy-eight billion, five hundred eight million, five hundred twenty-two thousand, forty-three".