78603368540 has 48 divisors (see below), whose sum is σ = 166322268000. Its totient is φ = 31202449152.

The previous prime is 78603368521. The next prime is 78603368567. The reversal of 78603368540 is 4586330687.

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, 9884486 + ... + 9892434.

It is an arithmetic number, because the mean of its divisors is an integer number (3465047250).

Almost surely, 2^78603368540 is an apocalyptic number.

It is an amenable number.

78603368540 is an abundant number, since it is smaller than the sum of its proper divisors (87718899460).

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

78603368540 is a wasteful number, since it uses less digits than its factorization.

78603368540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11654 (or 11652 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 78603368540 in words is "seventy-eight billion, six hundred three million, three hundred sixty-eight thousand, five hundred forty".