78030542000 has 80 divisors (see below), whose sum is σ = 190055728512. Its totient is φ = 30984281600.

The previous prime is 78030541949. The next prime is 78030542021. The reversal of 78030542000 is 24503087.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 131609 + ... + 416391.

Almost surely, 2^78030542000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78030542000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95027864256).

78030542000 is an abundant number, since it is smaller than the sum of its proper divisors (112025186512).

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

78030542000 is a wasteful number, since it uses less digits than its factorization.

78030542000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284943 (or 284927 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 78030542000 in words is "seventy-eight billion, thirty million, five hundred forty-two thousand".