78027671 has 16 divisors (see below), whose sum is σ = 85165344. Its totient is φ = 71199744.

The previous prime is 78027667. The next prime is 78027679. The reversal of 78027671 is 17672087.

It is not a de Polignac number, because 78027671 - 2² = 78027667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78027679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126155 + ... + 126771.

It is an arithmetic number, because the mean of its divisors is an integer number (5322834).

Almost surely, 2^78027671 is an apocalyptic number.

78027671 is a deficient number, since it is larger than the sum of its proper divisors (7137673).

78027671 is a wasteful number, since it uses less digits than its factorization.

78027671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 78027671 is about 8833.3272893061. The cubic root of 78027671 is about 427.3163872981.

The spelling of 78027671 in words is "seventy-eight million, twenty-seven thousand, six hundred seventy-one".