78470303850 has 192 divisors, whose sum is σ = 225266832000. Its totient is φ = 20068185600.

The previous prime is 78470303839. The next prime is 78470303881. The reversal of 78470303850 is 5830307487.

78470303850 is a `hidden beast` number, since 78 + 470 + 30 + 3 + 85 + 0 = 666.

It is a super-2 number, since 2×78470303850² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 78470303796 and 78470303805.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3253636 + ... + 3277664.

It is an arithmetic number, because the mean of its divisors is an integer number (1173264750).

Almost surely, 2^78470303850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78470303850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112633416000).

78470303850 is an abundant number, since it is smaller than the sum of its proper divisors (146796528150).

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

78470303850 is a wasteful number, since it uses less digits than its factorization.

78470303850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24150 (or 24139 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 78470303850 in words is "seventy-eight billion, four hundred seventy million, three hundred three thousand, eight hundred fifty".