676534278745 has 16 divisors (see below), whose sum is σ = 874410037200. Its totient is φ = 499526210304.

The previous prime is 676534278737. The next prime is 676534278821. The reversal of 676534278745 is 547872435676.

676534278745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4873715344 + 671660563401 = 69812^2 + 819549^2 .

It is a cyclic number.

It is not a de Polignac number, because 676534278745 - 2³ = 676534278737 is a prime.

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, 230454 + ... + 1185823.

It is an arithmetic number, because the mean of its divisors is an integer number (54650627325).

Almost surely, 2^676534278745 is an apocalyptic number.

676534278745 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

676534278745 is a deficient number, since it is larger than the sum of its proper divisors (197875758455).

676534278745 is a wasteful number, since it uses less digits than its factorization.

676534278745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423644.

The product of its digits is 237081600, while the sum is 64.

The spelling of 676534278745 in words is "six hundred seventy-six billion, five hundred thirty-four million, two hundred seventy-eight thousand, seven hundred forty-five".