78414805 has 16 divisors (see below), whose sum is σ = 113201280. Its totient is φ = 50939712.

The previous prime is 78414781. The next prime is 78414823. The reversal of 78414805 is 50841487.

It is a cyclic number.

It is not a de Polignac number, because 78414805 - 2¹¹ = 78412757 is a prime.

It is a super-2 number, since 2×78414805² = 12297763286376050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 58294 + ... + 59623.

It is an arithmetic number, because the mean of its divisors is an integer number (7075080).

Almost surely, 2^78414805 is an apocalyptic number.

It is an amenable number.

78414805 is a deficient number, since it is larger than the sum of its proper divisors (34786475).

78414805 is a wasteful number, since it uses less digits than its factorization.

78414805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117948.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 78414805 is about 8855.2134361629. The cubic root of 78414805 is about 428.0219312866.

The spelling of 78414805 in words is "seventy-eight million, four hundred fourteen thousand, eight hundred five".