78204745871030 has 16 divisors (see below), whose sum is σ = 148177413229680. Its totient is φ = 29635482645792.

The previous prime is 78204745871017. The next prime is 78204745871041. The reversal of 78204745871030 is 3017854740287.

It is a super-2 number, since 2×78204745871030² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205801962629 + ... + 205801963008.

It is an arithmetic number, because the mean of its divisors is an integer number (9261088326855).

Almost surely, 2^{78204745871030} is an apocalyptic number.

78204745871030 is a deficient number, since it is larger than the sum of its proper divisors (69972667358650).

78204745871030 is a wasteful number, since it uses less digits than its factorization.

78204745871030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411603925663.

The product of its (nonzero) digits is 10536960, while the sum is 56.

The spelling of 78204745871030 in words is "seventy-eight trillion, two hundred four billion, seven hundred forty-five million, eight hundred seventy-one thousand, thirty".