78252196 has 12 divisors (see below), whose sum is σ = 149390640. Its totient is φ = 35569160.

The previous prime is 78252157. The next prime is 78252199. The reversal of 78252196 is 69125287.

It is a super-2 number, since 2×78252196² = 12246812357644832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78252199) 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, 889186 + ... + 889273.

It is an arithmetic number, because the mean of its divisors is an integer number (12449220).

Almost surely, 2^78252196 is an apocalyptic number.

It is an amenable number.

78252196 is a deficient number, since it is larger than the sum of its proper divisors (71138444).

78252196 is a wasteful number, since it uses less digits than its factorization.

78252196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778474 (or 1778472 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 78252196 is about 8846.0271308650. The cubic root of 78252196 is about 427.7258631152.

The spelling of 78252196 in words is "seventy-eight million, two hundred fifty-two thousand, one hundred ninety-six".