78577866296 has 16 divisors (see below), whose sum is σ = 147356442000. Its totient is φ = 39282815104.

The previous prime is 78577866253. The next prime is 78577866299. The reversal of 78577866296 is 69266877587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78577866299) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 709940 + ... + 813123.

It is an arithmetic number, because the mean of its divisors is an integer number (9209777625).

Almost surely, 2^78577866296 is an apocalyptic number.

It is an amenable number.

78577866296 is a deficient number, since it is larger than the sum of its proper divisors (68778575704).

78577866296 is a wasteful number, since it uses less digits than its factorization.

78577866296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529518 (or 1529514 counting only the distinct ones).

The product of its digits is 426746880, while the sum is 71.

The spelling of 78577866296 in words is "seventy-eight billion, five hundred seventy-seven million, eight hundred sixty-six thousand, two hundred ninety-six".