78068571 has 16 divisors (see below), whose sum is σ = 122800128. Its totient is φ = 43171200.

The previous prime is 78068569. The next prime is 78068579. The reversal of 78068571 is 17586087.

It is not a de Polignac number, because 78068571 - 2¹ = 78068569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78068579) 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, 59310 + ... + 60611.

It is an arithmetic number, because the mean of its divisors is an integer number (7675008).

Almost surely, 2^78068571 is an apocalyptic number.

78068571 is a deficient number, since it is larger than the sum of its proper divisors (44731557).

78068571 is a wasteful number, since it uses less digits than its factorization.

78068571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119962.

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 78068571 is about 8835.6420819316. The cubic root of 78068571 is about 427.3910368304.

The spelling of 78068571 in words is "seventy-eight million, sixty-eight thousand, five hundred seventy-one".