678753764 has 48 divisors (see below), whose sum is σ = 1357574400. Its totient is φ = 294160896.

The previous prime is 678753763. The next prime is 678753767. The reversal of 678753764 is 467357876.

It is not an unprimeable number, because it can be changed into a prime (678753763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652757 + ... + 653795.

It is an arithmetic number, because the mean of its divisors is an integer number (28282800).

Almost surely, 2^678753764 is an apocalyptic number.

It is an amenable number.

678753764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

678753764 is a wasteful number, since it uses less digits than its factorization.

678753764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812 (or 1810 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 53.

The square root of 678753764 is about 26052.9031779570. The cubic root of 678753764 is about 878.8284012694.

The spelling of 678753764 in words is "six hundred seventy-eight million, seven hundred fifty-three thousand, seven hundred sixty-four".