427280778104 has 8 divisors (see below), whose sum is σ = 801151458960. Its totient is φ = 213640389048.

The previous prime is 427280778101. The next prime is 427280778161. The reversal of 427280778104 is 401877082724.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427280778101) 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 as a sum of consecutive naturals, namely, 26705048624 + ... + 26705048639.

It is an arithmetic number, because the mean of its divisors is an integer number (100143932370).

Almost surely, 2^427280778104 is an apocalyptic number.

It is an amenable number.

427280778104 is a deficient number, since it is larger than the sum of its proper divisors (373870680856).

427280778104 is a wasteful number, since it uses less digits than its factorization.

427280778104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53410097269 (or 53410097265 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 50.

The spelling of 427280778104 in words is "four hundred twenty-seven billion, two hundred eighty million, seven hundred seventy-eight thousand, one hundred four".