78002061696 has 160 divisors (see below), whose sum is σ = 249989678400. Its totient is φ = 24000592896.

The previous prime is 78002061679. The next prime is 78002061719. The reversal of 78002061696 is 69616020087.

78002061696 is a `hidden beast` number, since 7 + 8 + 0 + 0 + 20 + 616 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 154576 + ... + 424143.

It is an arithmetic number, because the mean of its divisors is an integer number (1562435490).

Almost surely, 2^78002061696 is an apocalyptic number.

It is an amenable number.

78002061696 is an abundant number, since it is smaller than the sum of its proper divisors (171987616704).

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

78002061696 is a wasteful number, since it uses less digits than its factorization.

78002061696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578758 (or 578737 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 78002061696 in words is "seventy-eight billion, two million, sixty-one thousand, six hundred ninety-six".