78024852 has 36 divisors (see below), whose sum is σ = 197526420. Its totient is φ = 25969152.

The previous prime is 78024827. The next prime is 78024889. The reversal of 78024852 is 25842087.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10850436 + 67174416 = 3294^2 + 8196^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 32278 + ... + 34610.

It is an arithmetic number, because the mean of its divisors is an integer number (5486845).

Almost surely, 2^78024852 is an apocalyptic number.

It is an amenable number.

78024852 is an abundant number, since it is smaller than the sum of its proper divisors (119501568).

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

78024852 is a wasteful number, since it uses less digits than its factorization.

78024852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272 (or 3267 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 78024852 is about 8833.1677217180. The cubic root of 78024852 is about 427.3112411776.

The spelling of 78024852 in words is "seventy-eight million, twenty-four thousand, eight hundred fifty-two".