78085030 has 8 divisors (see below), whose sum is σ = 140553072. Its totient is φ = 31234008.

The previous prime is 78085009. The next prime is 78085031. The reversal of 78085030 is 3058087.

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

It is a junction number, because it is equal to n+sod(n) for n = 78084983 and 78085001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78085031) 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, 3904242 + ... + 3904261.

It is an arithmetic number, because the mean of its divisors is an integer number (17569134).

Almost surely, 2^78085030 is an apocalyptic number.

78085030 is a deficient number, since it is larger than the sum of its proper divisors (62468042).

78085030 is a wasteful number, since it uses less digits than its factorization.

78085030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7808510.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 78085030 is about 8836.5734309177. The cubic root of 78085030 is about 427.4210699782.

The spelling of 78085030 in words is "seventy-eight million, eighty-five thousand, thirty".