78658025772096 has 63 divisors (see below), whose sum is σ = 225459638842711. Its totient is φ = 26219270972544.

The previous prime is 78658025772043. The next prime is 78658025772101. The reversal of 78658025772096 is 69027752085687.

The square root of 78658025772096 is 8868936.

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

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 212669695 + ... + 213039233.

Almost surely, 2^{78658025772096} is an apocalyptic number.

78658025772096 is the 8868936-th square number.

It is an amenable number.

78658025772096 is an abundant number, since it is smaller than the sum of its proper divisors (146801613070615).

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

78658025772096 is an frugal number, since it uses more digits than its factorization.

78658025772096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739096 (or 369544 counting only the distinct ones).

The product of its (nonzero) digits is 711244800, while the sum is 72.

The spelling of 78658025772096 in words is "seventy-eight trillion, six hundred fifty-eight billion, twenty-five million, seven hundred seventy-two thousand, ninety-six".