78585067 has 8 divisors (see below), whose sum is σ = 90772272. Its totient is φ = 67238400.

The previous prime is 78585049. The next prime is 78585079. The reversal of 78585067 is 76058587.

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

It is a de Polignac number, because none of the positive numbers 2^k-78585067 is a prime.

It is a super-2 number, since 2×78585067² = 12351225510788978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78585047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209934 + ... + 210307.

It is an arithmetic number, because the mean of its divisors is an integer number (11346534).

Almost surely, 2^78585067 is an apocalyptic number.

78585067 is a deficient number, since it is larger than the sum of its proper divisors (12187205).

78585067 is a wasteful number, since it uses less digits than its factorization.

78585067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420269.

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 78585067 is about 8864.8218820233. The cubic root of 78585067 is about 428.3314952288.

The spelling of 78585067 in words is "seventy-eight million, five hundred eighty-five thousand, sixty-seven".