76863 has 4 divisors (see below), whose sum is σ = 102488. Its totient is φ = 51240.

The previous prime is 76847. The next prime is 76871. The reversal of 76863 is 36867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36867 = 3 ⋅12289.

It is not a de Polignac number, because 76863 - 2⁴ = 76847 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76873) 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, 12808 + ... + 12813.

It is an arithmetic number, because the mean of its divisors is an integer number (25622).

2⁷⁶⁸⁶³ is an apocalyptic number.

76863 is a deficient number, since it is larger than the sum of its proper divisors (25625).

76863 is a wasteful number, since it uses less digits than its factorization.

76863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25624.

The product of its digits is 6048, while the sum is 30.

The square root of 76863 is about 277.2417717444. The cubic root of 76863 is about 42.5179624187.

It can be divided in two parts, 768 and 63, that multiplied together give a palindrome (48384).

The spelling of 76863 in words is "seventy-six thousand, eight hundred sixty-three".