78650800945 has 16 divisors (see below), whose sum is σ = 94539659328. Its totient is φ = 62814934080.

The previous prime is 78650800939. The next prime is 78650801011. The reversal of 78650800945 is 54900805687.

It is not a de Polignac number, because 78650800945 - 2³⁵ = 44291062577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78650800892 and 78650800901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9059947 + ... + 9068623.

It is an arithmetic number, because the mean of its divisors is an integer number (5908728708).

Almost surely, 2^78650800945 is an apocalyptic number.

It is an amenable number.

78650800945 is a deficient number, since it is larger than the sum of its proper divisors (15888858383).

78650800945 is a wasteful number, since it uses less digits than its factorization.

78650800945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11520.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 78650800945 in words is "seventy-eight billion, six hundred fifty million, eight hundred thousand, nine hundred forty-five".