78030500250 has 32 divisors (see below), whose sum is σ = 194764130496. Its totient is φ = 20808133200.

The previous prime is 78030500213. The next prime is 78030500263. The reversal of 78030500250 is 5200503087.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52019584 + ... + 52021083.

It is an arithmetic number, because the mean of its divisors is an integer number (6086379078).

Almost surely, 2^78030500250 is an apocalyptic number.

78030500250 is an abundant number, since it is smaller than the sum of its proper divisors (116733630246).

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

78030500250 is a wasteful number, since it uses less digits than its factorization.

78030500250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104040687 (or 104040677 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 78030500250 in words is "seventy-eight billion, thirty million, five hundred thousand, two hundred fifty".