78965230 has 16 divisors (see below), whose sum is σ = 144820224. Its totient is φ = 30989920.

The previous prime is 78965209. The next prime is 78965239. The reversal of 78965230 is 3256987.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78965239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73966 + ... + 75025.

It is an arithmetic number, because the mean of its divisors is an integer number (9051264).

Almost surely, 2^78965230 is an apocalyptic number.

78965230 is a deficient number, since it is larger than the sum of its proper divisors (65854994).

78965230 is a wasteful number, since it uses less digits than its factorization.

78965230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149051.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 78965230 is about 8886.2382367344. The cubic root of 78965230 is about 429.0210830339.

The spelling of 78965230 in words is "seventy-eight million, nine hundred sixty-five thousand, two hundred thirty".