676779420 has 24 divisors (see below), whose sum is σ = 1894982544. Its totient is φ = 180474496.

The previous prime is 676779413. The next prime is 676779443. The reversal of 676779420 is 24977676.

It is a happy number.

676779420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 676779420.

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, 5639769 + ... + 5639888.

It is an arithmetic number, because the mean of its divisors is an integer number (78957606).

Almost surely, 2^676779420 is an apocalyptic number.

676779420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

676779420 is an abundant number, since it is smaller than the sum of its proper divisors (1218203124).

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

676779420 is a wasteful number, since it uses less digits than its factorization.

676779420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11279669 (or 11279667 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 48.

The square root of 676779420 is about 26014.9845281522. The cubic root of 676779420 is about 877.9754681702.

The spelling of 676779420 in words is "six hundred seventy-six million, seven hundred seventy-nine thousand, four hundred twenty".