78578230 has 8 divisors (see below), whose sum is σ = 141440832. Its totient is φ = 31431288.

The previous prime is 78578221. The next prime is 78578237. The reversal of 78578230 is 3287587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78578237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3928902 + ... + 3928921.

It is an arithmetic number, because the mean of its divisors is an integer number (17680104).

Almost surely, 2^78578230 is an apocalyptic number.

78578230 is a deficient number, since it is larger than the sum of its proper divisors (62862602).

78578230 is a wasteful number, since it uses less digits than its factorization.

78578230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857830.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 78578230 is about 8864.4362482901. The cubic root of 78578230 is about 428.3190730750.

The spelling of 78578230 in words is "seventy-eight million, five hundred seventy-eight thousand, two hundred thirty".