78104804243102 has 24 divisors (see below), whose sum is σ = 146768368415256. Its totient is φ = 30898603875888.

The previous prime is 78104804243051. The next prime is 78104804243161. The reversal of 78104804243102 is 20134240840187.

It is a super-2 number, since 2×78104804243102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30653375588 + ... + 30653378135.

It is an arithmetic number, because the mean of its divisors is an integer number (6115348683969).

Almost surely, 2^{78104804243102} is an apocalyptic number.

78104804243102 is a deficient number, since it is larger than the sum of its proper divisors (68663564172154).

78104804243102 is a wasteful number, since it uses less digits than its factorization.

78104804243102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61306753752 (or 61306753745 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 78104804243102 in words is "seventy-eight trillion, one hundred four billion, eight hundred four million, two hundred forty-three thousand, one hundred two".