78358196 has 24 divisors (see below), whose sum is σ = 156944256. Its totient is φ = 33533280.

The previous prime is 78358187. The next prime is 78358201. The reversal of 78358196 is 69185387.

It is a happy number.

It is a super-2 number, since 2×78358196² = 12280013760748832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 78358196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22961 + ... + 26151.

It is an arithmetic number, because the mean of its divisors is an integer number (6539344).

Almost surely, 2^78358196 is an apocalyptic number.

It is an amenable number.

78358196 is an abundant number, since it is smaller than the sum of its proper divisors (78586060).

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

78358196 is a wasteful number, since it uses less digits than its factorization.

78358196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079 (or 4077 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 78358196 is about 8852.0164934324. The cubic root of 78358196 is about 427.9189076866.

The spelling of 78358196 in words is "seventy-eight million, three hundred fifty-eight thousand, one hundred ninety-six".