680077754 has 16 divisors (see below), whose sum is σ = 1120495680. Its totient is φ = 308135520.

The previous prime is 680077729. The next prime is 680077757. The reversal of 680077754 is 457770086.

It is not an unprimeable number, because it can be changed into a prime (680077757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388187 + ... + 389934.

It is an arithmetic number, because the mean of its divisors is an integer number (70030980).

Almost surely, 2^680077754 is an apocalyptic number.

680077754 is a deficient number, since it is larger than the sum of its proper divisors (440417926).

680077754 is a wasteful number, since it uses less digits than its factorization.

680077754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778165.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 680077754 is about 26078.3004430887. The cubic root of 680077754 is about 879.3994499282.

The spelling of 680077754 in words is "six hundred eighty million, seventy-seven thousand, seven hundred fifty-four".