676779505944 has 32 divisors (see below), whose sum is σ = 1694004645120. Its totient is φ = 225319051296.

The previous prime is 676779505921. The next prime is 676779506003. The reversal of 676779505944 is 449505977676.

676779505944 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×676779505944² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17112172 + ... + 17151675.

It is an arithmetic number, because the mean of its divisors is an integer number (52937645160).

Almost surely, 2^676779505944 is an apocalyptic number.

It is an amenable number.

676779505944 is an abundant number, since it is smaller than the sum of its proper divisors (1017225139176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676779505944 is a wasteful number, since it uses less digits than its factorization.

676779505944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34264679 (or 34264675 counting only the distinct ones).

The product of its (nonzero) digits is 400075200, while the sum is 69.

The spelling of 676779505944 in words is "six hundred seventy-six billion, seven hundred seventy-nine million, five hundred five thousand, nine hundred forty-four".