73778655706835 has 16 divisors (see below), whose sum is σ = 93194392246560. Its totient is φ = 55916274355200.

The previous prime is 73778655706823. The next prime is 73778655706843. The reversal of 73778655706835 is 53860755687737.

It is not a de Polignac number, because 73778655706835 - 2²⁰ = 73778654658259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33326435 + ... + 35471235.

It is an arithmetic number, because the mean of its divisors is an integer number (5824649515410).

Almost surely, 2^{73778655706835} is an apocalyptic number.

73778655706835 is a deficient number, since it is larger than the sum of its proper divisors (19415736539725).

73778655706835 is a wasteful number, since it uses less digits than its factorization.

73778655706835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506918.

The product of its (nonzero) digits is 6223392000, while the sum is 77.

The spelling of 73778655706835 in words is "seventy-three trillion, seven hundred seventy-eight billion, six hundred fifty-five million, seven hundred six thousand, eight hundred thirty-five".