775245384407 has 16 divisors (see below), whose sum is σ = 930516017760. Its totient is φ = 638068119552.

The previous prime is 775245384341. The next prime is 775245384443. The reversal of 775245384407 is 704483542577.

It is not a de Polignac number, because 775245384407 - 2¹⁶ = 775245318871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775245384497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92308898 + ... + 92317295.

It is an arithmetic number, because the mean of its divisors is an integer number (58157251110).

Almost surely, 2^775245384407 is an apocalyptic number.

775245384407 is a deficient number, since it is larger than the sum of its proper divisors (155270633353).

775245384407 is a wasteful number, since it uses less digits than its factorization.

775245384407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184626242.

The product of its (nonzero) digits is 26342400, while the sum is 56.

The spelling of 775245384407 in words is "seven hundred seventy-five billion, two hundred forty-five million, three hundred eighty-four thousand, four hundred seven".