78584873 has 8 divisors (see below), whose sum is σ = 80265600. Its totient is φ = 76915888.

The previous prime is 78584843. The next prime is 78584899. The reversal of 78584873 is 37848587.

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 78584873 - 2¹⁰ = 78583849 is a prime.

It is a super-2 number, since 2×78584873² = 12351164528852258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78584843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11315 + ... + 16887.

It is an arithmetic number, because the mean of its divisors is an integer number (10033200).

Almost surely, 2^78584873 is an apocalyptic number.

It is an amenable number.

78584873 is a deficient number, since it is larger than the sum of its proper divisors (1680727).

78584873 is a wasteful number, since it uses less digits than its factorization.

78584873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5871.

The product of its digits is 1505280, while the sum is 50.

The square root of 78584873 is about 8864.8109398904. The cubic root of 78584873 is about 428.3311427599.

It can be divided in two parts, 785 and 84873, that added together give a palindrome (85658).

The spelling of 78584873 in words is "seventy-eight million, five hundred eighty-four thousand, eight hundred seventy-three".