78959530 has 32 divisors (see below), whose sum is σ = 156328704. Its totient is φ = 28531776.

The previous prime is 78959521. The next prime is 78959533. The reversal of 78959530 is 3595987.

It is not an unprimeable number, because it can be changed into a prime (78959533) 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, 352 + ... + 12571.

It is an arithmetic number, because the mean of its divisors is an integer number (4885272).

Almost surely, 2^78959530 is an apocalyptic number.

78959530 is a deficient number, since it is larger than the sum of its proper divisors (77369174).

78959530 is a wasteful number, since it uses less digits than its factorization.

78959530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 78959530 is about 8885.9175103081. The cubic root of 78959530 is about 429.0107600136.

The spelling of 78959530 in words is "seventy-eight million, nine hundred fifty-nine thousand, five hundred thirty".