870078 has 16 divisors (see below), whose sum is σ = 1898496. Its totient is φ = 263640.

The previous prime is 870059. The next prime is 870083.

It is a happy number.

870078 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6526 + ... + 6657.

It is an arithmetic number, because the mean of its divisors is an integer number (118656).

2⁸⁷⁰⁰⁷⁸ is an apocalyptic number.

870078 is an abundant number, since it is smaller than the sum of its proper divisors (1028418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870078 is a wasteful number, since it uses less digits than its factorization.

870078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 870078 is about 932.7797167606. The cubic root of 870078 is about 95.4668799563.

It can be divided in two parts, 8700 and 78, that added together give a palindrome (8778).

The spelling of 870078 in words is "eight hundred seventy thousand, seventy-eight".