7157215089 has 12 divisors (see below), whose sum is σ = 10882315600. Its totient is φ = 4520346264.

The previous prime is 7157215073. The next prime is 7157215103. The reversal of 7157215089 is 9805127517.

7157215089 is a `hidden beast` number, since 71 + 5 + 72 + 1 + 508 + 9 = 666.

It is not a de Polignac number, because 7157215089 - 2⁴ = 7157215073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7157215019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20927359 + ... + 20927700.

Almost surely, 2^7157215089 is an apocalyptic number.

It is an amenable number.

7157215089 is a deficient number, since it is larger than the sum of its proper divisors (3725100511).

7157215089 is a wasteful number, since it uses less digits than its factorization.

7157215089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41855084 (or 41855081 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The square root of 7157215089 is about 84600.3255844799. The cubic root of 7157215089 is about 1927.1463181448.

The spelling of 7157215089 in words is "seven billion, one hundred fifty-seven million, two hundred fifteen thousand, eighty-nine".