78263814430 has 16 divisors (see below), whose sum is σ = 149161623120. Its totient is φ = 29464024192.

The previous prime is 78263814403. The next prime is 78263814439. The reversal of 78263814430 is 3441836287.

It is a super-2 number, since 2×78263814430² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78263814439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230187520 + ... + 230187859.

It is an arithmetic number, because the mean of its divisors is an integer number (9322601445).

Almost surely, 2^78263814430 is an apocalyptic number.

78263814430 is a deficient number, since it is larger than the sum of its proper divisors (70897808690).

78263814430 is a wasteful number, since it uses less digits than its factorization.

78263814430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460375403.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 78263814430 in words is "seventy-eight billion, two hundred sixty-three million, eight hundred fourteen thousand, four hundred thirty".