7089313157 has 8 divisors (see below), whose sum is σ = 7689413592. Its totient is φ = 6509555200.

The previous prime is 7089313129. The next prime is 7089313169. The reversal of 7089313157 is 7513139807.

It can be written as a sum of positive squares in 4 ways, for example, as 1656001636 + 5433311521 = 40694^2 + 73711^2 .

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 7089313157 - 2⁶ = 7089313093 is a prime.

It is a super-2 number, since 2×7089313157² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7089313757) 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, 5084894 + ... + 5086287.

It is an arithmetic number, because the mean of its divisors is an integer number (961176699).

Almost surely, 2^7089313157 is an apocalyptic number.

It is an amenable number.

7089313157 is a deficient number, since it is larger than the sum of its proper divisors (600100435).

7089313157 is a wasteful number, since it uses less digits than its factorization.

7089313157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10171239.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 7089313157 is about 84198.0591047086. The cubic root of 7089313157 is about 1921.0325353547.

The spelling of 7089313157 in words is "seven billion, eighty-nine million, three hundred thirteen thousand, one hundred fifty-seven".