7186428985 has 8 divisors (see below), whose sum is σ = 8691618816. Its totient is φ = 5703873840.

The previous prime is 7186428967. The next prime is 7186429031. The reversal of 7186428985 is 5898246817.

It is a happy number.

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

It is not a de Polignac number, because 7186428985 - 2¹¹ = 7186426937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5657971 + ... + 5659240.

It is an arithmetic number, because the mean of its divisors is an integer number (1086452352).

Almost surely, 2^7186428985 is an apocalyptic number.

It is an amenable number.

7186428985 is a deficient number, since it is larger than the sum of its proper divisors (1505189831).

7186428985 is a wasteful number, since it uses less digits than its factorization.

7186428985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11317343.

The product of its digits is 7741440, while the sum is 58.

The square root of 7186428985 is about 84772.8080518747. The cubic root of 7186428985 is about 1929.7647958965.

The spelling of 7186428985 in words is "seven billion, one hundred eighty-six million, four hundred twenty-eight thousand, nine hundred eighty-five".