52805302777778 has 32 divisors (see below), whose sum is σ = 80187226207488. Its totient is φ = 26077579200000.

The previous prime is 52805302777763. The next prime is 52805302777819. The reversal of 52805302777778 is 87777720350825.

It is a happy number.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

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, 137401826 + ... + 137785602.

It is an arithmetic number, because the mean of its divisors is an integer number (2505850818984).

Almost surely, 2^{52805302777778} is an apocalyptic number.

52805302777778 is a deficient number, since it is larger than the sum of its proper divisors (27381923429710).

52805302777778 is a wasteful number, since it uses less digits than its factorization.

52805302777778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385538.

The product of its (nonzero) digits is 322694400, while the sum is 68.

The spelling of 52805302777778 in words is "fifty-two trillion, eight hundred five billion, three hundred two million, seven hundred seventy-seven thousand, seven hundred seventy-eight".