78030288445 has 8 divisors (see below), whose sum is σ = 93775482936. Its totient is φ = 62331472896.

The previous prime is 78030288433. The next prime is 78030288463. The reversal of 78030288445 is 54488203087.

It can be written as a sum of positive squares in 4 ways, for example, as 3363556 + 78026924889 = 1834^2 + 279333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78030288445 - 2¹³ = 78030280253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11591032 + ... + 11597761.

It is an arithmetic number, because the mean of its divisors is an integer number (11721935367).

Almost surely, 2^78030288445 is an apocalyptic number.

It is an amenable number.

78030288445 is a deficient number, since it is larger than the sum of its proper divisors (15745194491).

78030288445 is a wasteful number, since it uses less digits than its factorization.

78030288445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23189471.

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 78030288445 in words is "seventy-eight billion, thirty million, two hundred eighty-eight thousand, four hundred forty-five".