78358030 has 8 divisors (see below), whose sum is σ = 141044472. Its totient is φ = 31343208.

The previous prime is 78357991. The next prime is 78358031. The reversal of 78358030 is 3085387.

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

It is a super-2 number, since 2×78358030² = 12279961730961800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78358031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3917892 + ... + 3917911.

It is an arithmetic number, because the mean of its divisors is an integer number (17630559).

Almost surely, 2^78358030 is an apocalyptic number.

78358030 is a deficient number, since it is larger than the sum of its proper divisors (62686442).

78358030 is a wasteful number, since it uses less digits than its factorization.

78358030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835810.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 78358030 is about 8852.0071170328. The cubic root of 78358030 is about 427.9186055077.

The spelling of 78358030 in words is "seventy-eight million, three hundred fifty-eight thousand, thirty".