789263161 has 4 divisors (see below), whose sum is σ = 808513524. Its totient is φ = 770012800.

The previous prime is 789263141. The next prime is 789263179. The reversal of 789263161 is 161362987.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98624761 + 690638400 = 9931^2 + 26280^2 .

It is not a de Polignac number, because 789263161 - 2⁵ = 789263129 is a prime.

It is a super-4 number, since 4×789263161⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (789263141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9625120 + ... + 9625201.

It is an arithmetic number, because the mean of its divisors is an integer number (202128381).

Almost surely, 2^789263161 is an apocalyptic number.

It is an amenable number.

789263161 is a deficient number, since it is larger than the sum of its proper divisors (19250363).

789263161 is a wasteful number, since it uses less digits than its factorization.

789263161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250362.

The product of its digits is 108864, while the sum is 43.

The square root of 789263161 is about 28093.8278096809. The cubic root of 789263161 is about 924.1460484053.

The spelling of 789263161 in words is "seven hundred eighty-nine million, two hundred sixty-three thousand, one hundred sixty-one".