768847 has 4 divisors (see below), whose sum is σ = 771400. Its totient is φ = 766296.

The previous prime is 768841. The next prime is 768851. The reversal of 768847 is 748867.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768847 is a prime.

It is a super-2 number, since 2×768847² = 1182251418818, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753 + ... + 1450.

It is an arithmetic number, because the mean of its divisors is an integer number (192850).

2⁷⁶⁸⁸⁴⁷ is an apocalyptic number.

768847 is a deficient number, since it is larger than the sum of its proper divisors (2553).

768847 is a wasteful number, since it uses less digits than its factorization.

768847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552.

The product of its digits is 75264, while the sum is 40.

The square root of 768847 is about 876.8392098897. The cubic root of 768847 is about 91.6107927635.

The spelling of 768847 in words is "seven hundred sixty-eight thousand, eight hundred forty-seven".