777040425255 has 32 divisors (see below), whose sum is σ = 1257348096000. Its totient is φ = 409727935232.

The previous prime is 777040425223. The next prime is 777040425289. The reversal of 777040425255 is 552524040777.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 777040425255 - 2⁵ = 777040425223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20870146 + ... + 20907344.

It is an arithmetic number, because the mean of its divisors is an integer number (39292128000).

Almost surely, 2^777040425255 is an apocalyptic number.

777040425255 is a deficient number, since it is larger than the sum of its proper divisors (480307670745).

777040425255 is a wasteful number, since it uses less digits than its factorization.

777040425255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52943.

The product of its (nonzero) digits is 2744000, while the sum is 48.

The spelling of 777040425255 in words is "seven hundred seventy-seven billion, forty million, four hundred twenty-five thousand, two hundred fifty-five".