78030108 has 96 divisors (see below), whose sum is σ = 219912000. Its totient is φ = 23784192.

The previous prime is 78030103. The next prime is 78030109. The reversal of 78030108 is 80103087.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78030101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209010 + ... + 209382.

It is an arithmetic number, because the mean of its divisors is an integer number (2290750).

Almost surely, 2^78030108 is an apocalyptic number.

78030108 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78030108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109956000).

78030108 is an abundant number, since it is smaller than the sum of its proper divisors (141881892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78030108 is a wasteful number, since it uses less digits than its factorization.

78030108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 78030108 is about 8833.4652317197. The cubic root of 78030108 is about 427.3208359729.

The spelling of 78030108 in words is "seventy-eight million, thirty thousand, one hundred eight".