868078 has 4 divisors (see below), whose sum is σ = 1302120. Its totient is φ = 434038.

The previous prime is 868073. The next prime is 868081. The reversal of 868078 is 870868.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217018 + ... + 217021.

It is an arithmetic number, because the mean of its divisors is an integer number (325530).

2⁸⁶⁸⁰⁷⁸ is an apocalyptic number.

868078 is a deficient number, since it is larger than the sum of its proper divisors (434042).

868078 is a wasteful number, since it uses less digits than its factorization.

868078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434041.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 868078 is about 931.7070354999. The cubic root of 868078 is about 95.3936756982.

It can be divided in two parts, 8 and 68078, that added together give a palindrome (68086).

The spelling of 868078 in words is "eight hundred sixty-eight thousand, seventy-eight".