78648895224 has 48 divisors (see below), whose sum is σ = 213136297920. Its totient is φ = 26200437120.

The previous prime is 78648895187. The next prime is 78648895277. The reversal of 78648895224 is 42259884687.

78648895224 is a `hidden beast` number, since 7 + 86 + 488 + 9 + 52 + 24 = 666.

It is a super-3 number, since 3×78648895224³ (a number of 34 digits) contains 333 as substring.

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, 210312 + ... + 448919.

It is an arithmetic number, because the mean of its divisors is an integer number (4440339540).

Almost surely, 2^78648895224 is an apocalyptic number.

It is an amenable number.

78648895224 is an abundant number, since it is smaller than the sum of its proper divisors (134487402696).

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

78648895224 is a wasteful number, since it uses less digits than its factorization.

78648895224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660900 (or 660893 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 78648895224 in words is "seventy-eight billion, six hundred forty-eight million, eight hundred ninety-five thousand, two hundred twenty-four".