78885412087224 has 48 divisors (see below), whose sum is σ = 209496725890200. Its totient is φ = 24748364574208.

The previous prime is 78885412087217. The next prime is 78885412087253. The reversal of 78885412087224 is 42278021458887.

It is a super-2 number, since 2×78885412087224² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) 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 11 ways as a sum of consecutive naturals, for example, 5686657719 + ... + 5686671590.

Almost surely, 2^{78885412087224} is an apocalyptic number.

It is an amenable number.

78885412087224 is an abundant number, since it is smaller than the sum of its proper divisors (130611313802976).

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

78885412087224 is a wasteful number, since it uses less digits than its factorization.

78885412087224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11373329352 (or 11373329331 counting only the distinct ones).

The product of its (nonzero) digits is 128450560, while the sum is 66.

The spelling of 78885412087224 in words is "seventy-eight trillion, eight hundred eighty-five billion, four hundred twelve million, eighty-seven thousand, two hundred twenty-four".