78030452868 has 24 divisors (see below), whose sum is σ = 182083490400. Its totient is φ = 26008374720.

The previous prime is 78030452867. The next prime is 78030452869. The reversal of 78030452868 is 86825403087.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78030452867) and next prime (78030452869).

It is a self number, because there is not a number n which added to its sum of digits gives 78030452868.

It is not an unprimeable number, because it can be changed into a prime (78030452861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32518 + ... + 396381.

It is an arithmetic number, because the mean of its divisors is an integer number (7586812100).

Almost surely, 2^78030452868 is an apocalyptic number.

It is an amenable number.

78030452868 is an abundant number, since it is smaller than the sum of its proper divisors (104053037532).

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

78030452868 is a wasteful number, since it uses less digits than its factorization.

78030452868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444067 (or 444065 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 78030452868 in words is "seventy-eight billion, thirty million, four hundred fifty-two thousand, eight hundred sixty-eight".