78236063288 has 32 divisors (see below), whose sum is σ = 148760100720. Its totient is φ = 38569920000.

The previous prime is 78236063263. The next prime is 78236063291. The reversal of 78236063288 is 88236063287.

It is a super-2 number, since 2×78236063288² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6158 + ... + 395613.

Almost surely, 2^78236063288 is an apocalyptic number.

It is an amenable number.

78236063288 is a deficient number, since it is larger than the sum of its proper divisors (70524037432).

78236063288 is a wasteful number, since it uses less digits than its factorization.

78236063288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402119 (or 402115 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

Subtracting 78236063288 from its reverse (88236063287), we obtain a palindrome (9999999999).

The spelling of 78236063288 in words is "seventy-eight billion, two hundred thirty-six million, sixty-three thousand, two hundred eighty-eight".