78107952484 has 9 divisors (see below), whose sum is σ = 136689895027. Its totient is φ = 39053696764.

The previous prime is 78107952389. The next prime is 78107952493. The reversal of 78107952484 is 48425970187.

The square root of 78107952484 is 279478.

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

It is a super-2 number, since 2×78107952484² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 489087 + ... + 628825.

Almost surely, 2^78107952484 is an apocalyptic number.

78107952484 is the 279478-th square number.

It is an amenable number.

78107952484 is a deficient number, since it is larger than the sum of its proper divisors (58581942543).

78107952484 is an frugal number, since it uses more digits than its factorization.

78107952484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279482 (or 139741 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 78107952484 in words is "seventy-eight billion, one hundred seven million, nine hundred fifty-two thousand, four hundred eighty-four".