678011760 has 60 divisors (see below), whose sum is σ = 2276991912. Its totient is φ = 180802944.

The previous prime is 678011699. The next prime is 678011771. The reversal of 678011760 is 67110876.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 470122 + ... + 471561.

Almost surely, 2^678011760 is an apocalyptic number.

678011760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

678011760 is an abundant number, since it is smaller than the sum of its proper divisors (1598980152).

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

678011760 is a wasteful number, since it uses less digits than its factorization.

678011760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941702 (or 941693 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 678011760 is about 26038.6589516434. The cubic root of 678011760 is about 878.5080435844.

The spelling of 678011760 in words is "six hundred seventy-eight million, eleven thousand, seven hundred sixty".