78302284224 has 56 divisors (see below), whose sum is σ = 212774131728. Its totient is φ = 25395333120.

The previous prime is 78302284219. The next prime is 78302284253. The reversal of 78302284224 is 42248220387.

It is a super-2 number, since 2×78302284224² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5504037 + ... + 5518244.

Almost surely, 2^78302284224 is an apocalyptic number.

78302284224 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

78302284224 is an abundant number, since it is smaller than the sum of its proper divisors (134471847504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78302284224 is a wasteful number, since it uses less digits than its factorization.

78302284224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022333 (or 11022323 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 42.

It can be divided in two parts, 78302 and 284224, that added together give a triangular number (362526 = T₈₅₁).

The spelling of 78302284224 in words is "seventy-eight billion, three hundred two million, two hundred eighty-four thousand, two hundred twenty-four".