768497823 has 24 divisors (see below), whose sum is σ = 1138419360. Its totient is φ = 499403520.

The previous prime is 768497819. The next prime is 768497837. The reversal of 768497823 is 328794867.

768497823 is a `hidden beast` number, since 76 + 8 + 497 + 82 + 3 = 666.

It is not a de Polignac number, because 768497823 - 2² = 768497819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 768497823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768497803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50115 + ... + 63627.

It is an arithmetic number, because the mean of its divisors is an integer number (47434140).

Almost surely, 2^768497823 is an apocalyptic number.

768497823 is a deficient number, since it is larger than the sum of its proper divisors (369921537).

768497823 is a wasteful number, since it uses less digits than its factorization.

768497823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13679 (or 13676 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 768497823 is about 27721.7932861494. The cubic root of 768497823 is about 915.9692211234.

The spelling of 768497823 in words is "seven hundred sixty-eight million, four hundred ninety-seven thousand, eight hundred twenty-three".