78801 has 4 divisors (see below), whose sum is σ = 105072. Its totient is φ = 52532.

The previous prime is 78797. The next prime is 78803. The reversal of 78801 is 10887.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78801 - 2² = 78797 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (78803) 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, 13131 + ... + 13136.

It is an arithmetic number, because the mean of its divisors is an integer number (26268).

2⁷⁸⁸⁰¹ is an apocalyptic number.

It is an amenable number.

78801 is a deficient number, since it is larger than the sum of its proper divisors (26271).

78801 is a wasteful number, since it uses less digits than its factorization.

78801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26270.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 78801 is about 280.7151581230. The cubic root of 78801 is about 42.8723454003.

The spelling of 78801 in words is "seventy-eight thousand, eight hundred one".