78546230940 has 48 divisors (see below), whose sum is σ = 219947105952. Its totient is φ = 20943979776.

The previous prime is 78546230933. The next prime is 78546230963. The reversal of 78546230940 is 4903264587.

It is a self number, because there is not a number n which added to its sum of digits gives 78546230940.

It is a congruent number.

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, 820882 + ... + 911558.

It is an arithmetic number, because the mean of its divisors is an integer number (4582231374).

Almost surely, 2^78546230940 is an apocalyptic number.

It is an amenable number.

78546230940 is an abundant number, since it is smaller than the sum of its proper divisors (141400875012).

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

78546230940 is a wasteful number, since it uses less digits than its factorization.

78546230940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105126 (or 105124 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 78546230940 in words is "seventy-eight billion, five hundred forty-six million, two hundred thirty thousand, nine hundred forty".