870747078 has 16 divisors (see below), whose sum is σ = 1759448880. Its totient is φ = 287256576.

The previous prime is 870747071. The next prime is 870747079.

870747078 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870747071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747483 + ... + 748646.

It is an arithmetic number, because the mean of its divisors is an integer number (109965555).

Almost surely, 2^870747078 is an apocalyptic number.

870747078 is an abundant number, since it is smaller than the sum of its proper divisors (888701802).

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

870747078 is a wasteful number, since it uses less digits than its factorization.

870747078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496231.

The product of its (nonzero) digits is 614656, while the sum is 48.

The square root of 870747078 is about 29508.4238481150. The cubic root of 870747078 is about 954.9134459169.

The spelling of 870747078 in words is "eight hundred seventy million, seven hundred forty-seven thousand, seventy-eight".