78287196 has 24 divisors (see below), whose sum is σ = 196722064. Its totient is φ = 24088320.

The previous prime is 78287189. The next prime is 78287203. The reversal of 78287196 is 69178287.

It is an interprime number because it is at equal distance from previous prime (78287189) and next prime (78287203).

It is a super-2 number, since 2×78287196² = 12257770115084832, which contains 22 as substring.

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, 250765 + ... + 251076.

Almost surely, 2^78287196 is an apocalyptic number.

It is an amenable number.

78287196 is an abundant number, since it is smaller than the sum of its proper divisors (118434868).

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

78287196 is a wasteful number, since it uses less digits than its factorization.

78287196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501861 (or 501859 counting only the distinct ones).

The product of its digits is 338688, while the sum is 48.

The square root of 78287196 is about 8848.0051989135. The cubic root of 78287196 is about 427.7896235146.

It can be divided in two parts, 782 and 87196, that added together give a palindrome (87978).

The spelling of 78287196 in words is "seventy-eight million, two hundred eighty-seven thousand, one hundred ninety-six".