78870230 has 16 divisors (see below), whose sum is σ = 144987840. Its totient is φ = 30876672.

The previous prime is 78870223. The next prime is 78870241. The reversal of 78870230 is 3207887.

It is a happy number.

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, 83435 + ... + 84374.

It is an arithmetic number, because the mean of its divisors is an integer number (9061740).

Almost surely, 2^78870230 is an apocalyptic number.

78870230 is a deficient number, since it is larger than the sum of its proper divisors (66117610).

78870230 is a wasteful number, since it uses less digits than its factorization.

78870230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167863.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 78870230 is about 8880.8912840998. The cubic root of 78870230 is about 428.8489677953.

The spelling of 78870230 in words is "seventy-eight million, eight hundred seventy thousand, two hundred thirty".