676774784 has 32 divisors (see below), whose sum is σ = 1540873200. Its totient is φ = 290045952.

The previous prime is 676774783. The next prime is 676774799. The reversal of 676774784 is 487477676.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676774783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376769 + ... + 378560.

Almost surely, 2^676774784 is an apocalyptic number.

676774784 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

676774784 is an abundant number, since it is smaller than the sum of its proper divisors (864098416).

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

676774784 is an equidigital number, since it uses as much as digits as its factorization.

676774784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755350 (or 755338 counting only the distinct ones).

The product of its digits is 11063808, while the sum is 56.

The square root of 676774784 is about 26014.8954255058. The cubic root of 676774784 is about 877.9734634286.

The spelling of 676774784 in words is "six hundred seventy-six million, seven hundred seventy-four thousand, seven hundred eighty-four".