78716781362 has 16 divisors (see below), whose sum is σ = 118534752000. Its totient is φ = 39205277808.

The previous prime is 78716781337. The next prime is 78716781371. The reversal of 78716781362 is 26318761787.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 78716781298 and 78716781307.

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 7 ways as a sum of consecutive naturals, for example, 2168639 + ... + 2204637.

It is an arithmetic number, because the mean of its divisors is an integer number (7408422000).

Almost surely, 2^78716781362 is an apocalyptic number.

78716781362 is a deficient number, since it is larger than the sum of its proper divisors (39817970638).

78716781362 is a wasteful number, since it uses less digits than its factorization.

78716781362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40225.

The product of its digits is 4741632, while the sum is 56.

The spelling of 78716781362 in words is "seventy-eight billion, seven hundred sixteen million, seven hundred eighty-one thousand, three hundred sixty-two".