680377533 has 16 divisors (see below), whose sum is σ = 990294336. Its totient is φ = 412077440.

The previous prime is 680377507. The next prime is 680377561. The reversal of 680377533 is 335773086.

It is a cyclic number.

It is not a de Polignac number, because 680377533 - 2⁸ = 680377277 is a prime.

It is a super-2 number, since 2×680377533² = 925827174822332178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680377573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51241 + ... + 63137.

It is an arithmetic number, because the mean of its divisors is an integer number (61893396).

Almost surely, 2^680377533 is an apocalyptic number.

It is an amenable number.

680377533 is a deficient number, since it is larger than the sum of its proper divisors (309916803).

680377533 is a wasteful number, since it uses less digits than its factorization.

680377533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13644.

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 680377533 is about 26084.0474811713. The cubic root of 680377533 is about 879.5286443525.

The spelling of 680377533 in words is "six hundred eighty million, three hundred seventy-seven thousand, five hundred thirty-three".