878650073 has 16 divisors (see below), whose sum is σ = 1011840000. Its totient is φ = 747399312.

The previous prime is 878650061. The next prime is 878650093. The reversal of 878650073 is 370056878.

It is a cyclic number.

It is not a de Polignac number, because 878650073 - 2¹⁰ = 878649049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (878650043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861758 + ... + 862776.

It is an arithmetic number, because the mean of its divisors is an integer number (63240000).

Almost surely, 2^878650073 is an apocalyptic number.

It is an amenable number.

878650073 is a deficient number, since it is larger than the sum of its proper divisors (133189927).

878650073 is a wasteful number, since it uses less digits than its factorization.

878650073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 878650073 is about 29642.0322009136. The cubic root of 878650073 is about 957.7937155633.

The spelling of 878650073 in words is "eight hundred seventy-eight million, six hundred fifty thousand, seventy-three".