677764420 has 24 divisors (see below), whose sum is σ = 1423800000. Its totient is φ = 271011552.

The previous prime is 677764397. The next prime is 677764421. The reversal of 677764420 is 24467776.

It is not an unprimeable number, because it can be changed into a prime (677764421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96591 + ... + 103369.

It is an arithmetic number, because the mean of its divisors is an integer number (59325000).

Almost surely, 2^677764420 is an apocalyptic number.

It is an amenable number.

677764420 is an abundant number, since it is smaller than the sum of its proper divisors (746035580).

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

677764420 is a wasteful number, since it uses less digits than its factorization.

677764420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11787 (or 11785 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 43.

The square root of 677764420 is about 26033.9090418631. The cubic root of 677764420 is about 878.4012034477.

The spelling of 677764420 in words is "six hundred seventy-seven million, seven hundred sixty-four thousand, four hundred twenty".