78314086 has 16 divisors (see below), whose sum is σ = 124185600. Its totient is φ = 36936648.

The previous prime is 78314081. The next prime is 78314101. The reversal of 78314086 is 68041387.

It is a happy number.

It is a super-2 number, since 2×78314086² = 12266192132030792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78314081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4771 + ... + 13393.

It is an arithmetic number, because the mean of its divisors is an integer number (7761600).

Almost surely, 2^78314086 is an apocalyptic number.

78314086 is a deficient number, since it is larger than the sum of its proper divisors (45871514).

78314086 is a wasteful number, since it uses less digits than its factorization.

78314086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8883.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 78314086 is about 8849.5246200008. The cubic root of 78314086 is about 427.8385968111.

The spelling of 78314086 in words is "seventy-eight million, three hundred fourteen thousand, eighty-six".