778278050275 has 12 divisors (see below), whose sum is σ = 1052797944744. Its totient is φ = 566020400000.

The previous prime is 778278050273. The next prime is 778278050281. The reversal of 778278050275 is 572050872877.

It is not a de Polignac number, because 778278050275 - 2¹ = 778278050273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (778278050273) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1415050726 + ... + 1415051275.

It is an arithmetic number, because the mean of its divisors is an integer number (87733162062).

Almost surely, 2^778278050275 is an apocalyptic number.

778278050275 is a deficient number, since it is larger than the sum of its proper divisors (274519894469).

778278050275 is a wasteful number, since it uses less digits than its factorization.

778278050275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830102022 (or 2830102017 counting only the distinct ones).

The product of its (nonzero) digits is 15366400, while the sum is 58.

The spelling of 778278050275 in words is "seven hundred seventy-eight billion, two hundred seventy-eight million, fifty thousand, two hundred seventy-five".