78884325 has 72 divisors (see below), whose sum is σ = 154026600. Its totient is φ = 38361600.

The previous prime is 78884303. The next prime is 78884327. The reversal of 78884325 is 52348887.

It can be written as a sum of positive squares in 12 ways, for example, as 72743841 + 6140484 = 8529^2 + 2478^2 .

It is not a de Polignac number, because 78884325 - 2⁵ = 78884293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78884327) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 435735 + ... + 435915.

Almost surely, 2^78884325 is an apocalyptic number.

78884325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

78884325 is a deficient number, since it is larger than the sum of its proper divisors (75142275).

78884325 is a wasteful number, since it uses less digits than its factorization.

78884325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 351 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 78884325 is about 8881.6848063867. The cubic root of 78884325 is about 428.8745129900.

The spelling of 78884325 in words is "seventy-eight million, eight hundred eighty-four thousand, three hundred twenty-five".