677420034456 has 128 divisors (see below), whose sum is σ = 2007480729600. Its totient is φ = 188201232000.

The previous prime is 677420034419. The next prime is 677420034463. The reversal of 677420034456 is 654430024776.

677420034456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2022760 + ... + 2333751.

It is an arithmetic number, because the mean of its divisors is an integer number (15683443200).

Almost surely, 2^677420034456 is an apocalyptic number.

677420034456 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

677420034456 is an abundant number, since it is smaller than the sum of its proper divisors (1330060695144).

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

677420034456 is a wasteful number, since it uses less digits than its factorization.

677420034456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356581 (or 4356577 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 48.

The spelling of 677420034456 in words is "six hundred seventy-seven billion, four hundred twenty million, thirty-four thousand, four hundred fifty-six".