768656533 has 8 divisors (see below), whose sum is σ = 810216000. Its totient is φ = 727207488.

The previous prime is 768656531. The next prime is 768656549. The reversal of 768656533 is 335656867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 768656533 - 2¹ = 768656531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768656531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13108 + ... + 41341.

It is an arithmetic number, because the mean of its divisors is an integer number (101277000).

Almost surely, 2^768656533 is an apocalyptic number.

It is an amenable number.

768656533 is a deficient number, since it is larger than the sum of its proper divisors (41559467).

768656533 is a wasteful number, since it uses less digits than its factorization.

768656533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55211.

The product of its digits is 2721600, while the sum is 49.

The square root of 768656533 is about 27724.6556876727. The cubic root of 768656533 is about 916.0322720367.

The spelling of 768656533 in words is "seven hundred sixty-eight million, six hundred fifty-six thousand, five hundred thirty-three".