78826 has 8 divisors (see below), whose sum is σ = 129024. Its totient is φ = 35820.

The previous prime is 78823. The next prime is 78839. The reversal of 78826 is 62887.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78823) 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, 1770 + ... + 1813.

It is an arithmetic number, because the mean of its divisors is an integer number (16128).

2⁷⁸⁸²⁶ is an apocalyptic number.

78826 is a deficient number, since it is larger than the sum of its proper divisors (50198).

78826 is a wasteful number, since it uses less digits than its factorization.

78826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596.

The product of its digits is 5376, while the sum is 31.

The square root of 78826 is about 280.7596837155. The cubic root of 78826 is about 42.8768787408.

The spelling of 78826 in words is "seventy-eight thousand, eight hundred twenty-six".