78085055 has 8 divisors (see below), whose sum is σ = 93921072. Its totient is φ = 62322048.

The previous prime is 78085043. The next prime is 78085067. The reversal of 78085055 is 55058087.

It is an interprime number because it is at equal distance from previous prime (78085043) and next prime (78085067).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78085055 - 2¹⁴ = 78068671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15869 + ... + 20198.

It is an arithmetic number, because the mean of its divisors is an integer number (11740134).

Almost surely, 2^78085055 is an apocalyptic number.

78085055 is a deficient number, since it is larger than the sum of its proper divisors (15836017).

78085055 is a wasteful number, since it uses less digits than its factorization.

78085055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36505.

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 78085055 is about 8836.5748454930. The cubic root of 78085055 is about 427.4211155931.

The spelling of 78085055 in words is "seventy-eight million, eighty-five thousand, fifty-five".