766948513 has 8 divisors (see below), whose sum is σ = 771276800. Its totient is φ = 762628608.

The previous prime is 766948499. The next prime is 766948517. The reversal of 766948513 is 315849667.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-766948513 is a prime.

It is a super-3 number, since 3×766948513³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766948517) 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, 283873 + ... + 286561.

It is an arithmetic number, because the mean of its divisors is an integer number (96409600).

Almost surely, 2^766948513 is an apocalyptic number.

It is an amenable number.

766948513 is a deficient number, since it is larger than the sum of its proper divisors (4328287).

766948513 is a wasteful number, since it uses less digits than its factorization.

766948513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191.

The product of its digits is 1088640, while the sum is 49.

The square root of 766948513 is about 27693.8352887425. The cubic root of 766948513 is about 915.3532683902.

The spelling of 766948513 in words is "seven hundred sixty-six million, nine hundred forty-eight thousand, five hundred thirteen".