78058211 has 16 divisors (see below), whose sum is σ = 99394560. Its totient is φ = 59527680.

The previous prime is 78058193. The next prime is 78058229. The reversal of 78058211 is 11285087.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78058193) and next prime (78058229).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78058211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78058231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7166 + ... + 14403.

It is an arithmetic number, because the mean of its divisors is an integer number (6212160).

Almost surely, 2^78058211 is an apocalyptic number.

78058211 is a deficient number, since it is larger than the sum of its proper divisors (21336349).

78058211 is a wasteful number, since it uses less digits than its factorization.

78058211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21634.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 78058211 is about 8835.0558006161. The cubic root of 78058211 is about 427.3721305153.

The spelling of 78058211 in words is "seventy-eight million, fifty-eight thousand, two hundred eleven".