78996972096 has 315 divisors, whose sum is σ = 265263133811. Its totient is φ = 22476125952.

The previous prime is 78996972083. The next prime is 78996972107. The reversal of 78996972096 is 69027969987.

The square root of 78996972096 is 281064.

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 44 ways as a sum of consecutive naturals, for example, 330531145 + ... + 330531383.

Almost surely, 2^78996972096 is an apocalyptic number.

78996972096 is the 281064-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78996972096

78996972096 is an abundant number, since it is smaller than the sum of its proper divisors (186266161715).

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

78996972096 is an frugal number, since it uses more digits than its factorization.

78996972096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 185177664, while the sum is 72.

The spelling of 78996972096 in words is "seventy-eight billion, nine hundred ninety-six million, nine hundred seventy-two thousand, ninety-six".