8264782989 has 6 divisors (see below), whose sum is σ = 11938019886. Its totient is φ = 5509855320.

The previous prime is 8264782987. The next prime is 8264782997. The reversal of 8264782989 is 9892874628.

8264782989 is a `hidden beast` number, since 82 + 6 + 478 + 2 + 9 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8224676100 + 40106889 = 90690^2 + 6333^2 .

It is not a de Polignac number, because 8264782989 - 2¹ = 8264782987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8264782987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459154602 + ... + 459154619.

It is an arithmetic number, because the mean of its divisors is an integer number (1989669981).

Almost surely, 2^8264782989 is an apocalyptic number.

It is an amenable number.

8264782989 is a deficient number, since it is larger than the sum of its proper divisors (3673236897).

8264782989 is a wasteful number, since it uses less digits than its factorization.

8264782989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918309227 (or 918309224 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The square root of 8264782989 is about 90910.8518769899. The cubic root of 8264782989 is about 2021.8261913018.

The spelling of 8264782989 in words is "eight billion, two hundred sixty-four million, seven hundred eighty-two thousand, nine hundred eighty-nine".