8772833261 has 4 divisors (see below), whose sum is σ = 8778004572. Its totient is φ = 8767661952.

The previous prime is 8772833249. The next prime is 8772833339. The reversal of 8772833261 is 1623382778.

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 4421452036 + 4351381225 = 66494^2 + 65965^2 .

It is a cyclic number.

It is not a de Polignac number, because 8772833261 - 2³⁰ = 7699091437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8772833161) 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, 2583110 + ... + 2586503.

It is an arithmetic number, because the mean of its divisors is an integer number (2194501143).

Almost surely, 2^8772833261 is an apocalyptic number.

It is an amenable number.

8772833261 is a deficient number, since it is larger than the sum of its proper divisors (5171311).

8772833261 is a wasteful number, since it uses less digits than its factorization.

8772833261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171310.

The product of its digits is 677376, while the sum is 47.

The square root of 8772833261 is about 93663.4040647680. The cubic root of 8772833261 is about 2062.4335193803.

The spelling of 8772833261 in words is "eight billion, seven hundred seventy-two million, eight hundred thirty-three thousand, two hundred sixty-one".