788861 has 4 divisors (see below), whose sum is σ = 830400. Its totient is φ = 747324.

The previous prime is 788849. The next prime is 788863. The reversal of 788861 is 168887.

788861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 788861 - 2¹⁰ = 787837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788863) 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, 20741 + ... + 20778.

It is an arithmetic number, because the mean of its divisors is an integer number (207600).

2⁷⁸⁸⁸⁶¹ is an apocalyptic number.

It is an amenable number.

788861 is a deficient number, since it is larger than the sum of its proper divisors (41539).

788861 is a wasteful number, since it uses less digits than its factorization.

788861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41538.

The product of its digits is 21504, while the sum is 38.

The square root of 788861 is about 888.1784730560. The cubic root of 788861 is about 92.3989058671.

It can be divided in two parts, 78886 and 1, that added together give a palindrome (78887).

The spelling of 788861 in words is "seven hundred eighty-eight thousand, eight hundred sixty-one".