78350084 has 12 divisors (see below), whose sum is σ = 137561424. Its totient is φ = 39046824.

The previous prime is 78350033. The next prime is 78350089. The reversal of 78350084 is 48005387.

It is a super-2 number, since 2×78350084² = 12277471325614112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78350089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30674 + ... + 33129.

It is an arithmetic number, because the mean of its divisors is an integer number (11463452).

Almost surely, 2^78350084 is an apocalyptic number.

It is an amenable number.

78350084 is a deficient number, since it is larger than the sum of its proper divisors (59211340).

78350084 is a wasteful number, since it uses less digits than its factorization.

78350084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64114 (or 64112 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 78350084 is about 8851.5582808904. The cubic root of 78350084 is about 427.9041404674.

The spelling of 78350084 in words is "seventy-eight million, three hundred fifty thousand, eighty-four".