152620704889 has 9 divisors (see below), whose sum is σ = 153385130191. Its totient is φ = 151860076240.

The previous prime is 152620704829. The next prime is 152620704949. The reversal of 152620704889 is 988407026251.

The square root of 152620704889 is 390667.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (152620704829) and next prime (152620704949).

It can be written as a sum of positive squares in only one way, i.e., 112716647289 + 39904057600 = 335733^2 + 199760^2 .

It is a de Polignac number, because none of the positive numbers 2^k-152620704889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152620704829) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 88680549 + ... + 88682269.

Almost surely, 2^152620704889 is an apocalyptic number.

152620704889 is the 390667-th square number.

152620704889 is the 195334-th centered octagonal number.

It is an amenable number.

152620704889 is a deficient number, since it is larger than the sum of its proper divisors (764425302).

152620704889 is an frugal number, since it uses more digits than its factorization.

152620704889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 152620704889 in words is "one hundred fifty-two billion, six hundred twenty million, seven hundred four thousand, eight hundred eighty-nine".