501678068 has 6 divisors (see below), whose sum is σ = 877936626. Its totient is φ = 250839032.

The previous prime is 501678061. The next prime is 501678097. The reversal of 501678068 is 860876105.

It can be written as a sum of positive squares in only one way, i.e., 260435044 + 241243024 = 16138^2 + 15532^2 .

It is a super-3 number, since 3×501678068³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501678061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62709755 + ... + 62709762.

It is an arithmetic number, because the mean of its divisors is an integer number (146322771).

Almost surely, 2^501678068 is an apocalyptic number.

It is an amenable number.

501678068 is a deficient number, since it is larger than the sum of its proper divisors (376258558).

501678068 is a wasteful number, since it uses less digits than its factorization.

501678068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125419521 (or 125419519 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 501678068 is about 22398.1710860508. The cubic root of 501678068 is about 794.5874568055.

The spelling of 501678068 in words is "five hundred one million, six hundred seventy-eight thousand, sixty-eight".