78073301056 has 63 divisors (see below), whose sum is σ = 158144982541. Its totient is φ = 38241991424.

The previous prime is 78073301039. The next prime is 78073301063. The reversal of 78073301056 is 65010337087.

The square root of 78073301056 is 279416.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 56282817600 + 21790483456 = 237240^2 + 147616^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 118472055 + ... + 118472713.

Almost surely, 2^78073301056 is an apocalyptic number.

78073301056 is the 279416-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78073301056

78073301056 is an abundant number, since it is smaller than the sum of its proper divisors (80071681485).

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

78073301056 is an frugal number, since it uses more digits than its factorization.

78073301056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 78073301056 in words is "seventy-eight billion, seventy-three million, three hundred one thousand, fifty-six".