78330308250 has 32 divisors (see below), whose sum is σ = 195512451264. Its totient is φ = 20888082000.

The previous prime is 78330308249. The next prime is 78330308341. The reversal of 78330308250 is 5280303387.

It is a super-2 number, since 2×78330308250² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 78330308199 and 78330308208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52219456 + ... + 52220955.

It is an arithmetic number, because the mean of its divisors is an integer number (6109764102).

Almost surely, 2^78330308250 is an apocalyptic number.

78330308250 is an abundant number, since it is smaller than the sum of its proper divisors (117182143014).

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

78330308250 is a wasteful number, since it uses less digits than its factorization.

78330308250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104440431 (or 104440421 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 78330308250 in words is "seventy-eight billion, three hundred thirty million, three hundred eight thousand, two hundred fifty".