78955248 has 20 divisors (see below), whose sum is σ = 203967848. Its totient is φ = 26318400.

The previous prime is 78955243. The next prime is 78955369. The reversal of 78955248 is 84255987.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1644901 = 78955248 / (7 + 8 + 9 + 5 + 5 + 2 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 78955197 and 78955206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78955243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822403 + ... + 822498.

Almost surely, 2^78955248 is an apocalyptic number.

It is an amenable number.

78955248 is an abundant number, since it is smaller than the sum of its proper divisors (125012600).

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

78955248 is a wasteful number, since it uses less digits than its factorization.

78955248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644912 (or 1644906 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 78955248 is about 8885.6765639989. The cubic root of 78955248 is about 429.0030047442.

The spelling of 78955248 in words is "seventy-eight million, nine hundred fifty-five thousand, two hundred forty-eight".