78535738403366 has 8 divisors (see below), whose sum is σ = 117803805900480. Its totient is φ = 39267803103208.

The previous prime is 78535738403341. The next prime is 78535738403383. The reversal of 78535738403366 is 66330483753587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 78535738403296 and 78535738403305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31550441 + ... + 33948516.

It is an arithmetic number, because the mean of its divisors is an integer number (14725475737560).

Almost surely, 2^{78535738403366} is an apocalyptic number.

78535738403366 is a deficient number, since it is larger than the sum of its proper divisors (39268067497114).

78535738403366 is a wasteful number, since it uses less digits than its factorization.

78535738403366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66098478.

The product of its (nonzero) digits is 914457600, while the sum is 68.

The spelling of 78535738403366 in words is "seventy-eight trillion, five hundred thirty-five billion, seven hundred thirty-eight million, four hundred three thousand, three hundred sixty-six".