8345661276 has 24 divisors (see below), whose sum is σ = 19503049104. Its totient is φ = 2777624320.

The previous prime is 8345661253. The next prime is 8345661277. The reversal of 8345661276 is 6721665438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8345661277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524685 + ... + 540356.

It is an arithmetic number, because the mean of its divisors is an integer number (812627046).

Almost surely, 2^8345661276 is an apocalyptic number.

It is an amenable number.

8345661276 is an abundant number, since it is smaller than the sum of its proper divisors (11157387828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8345661276 is a wasteful number, since it uses less digits than its factorization.

8345661276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065701 (or 1065699 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 8345661276 is about 91354.5908862822. The cubic root of 8345661276 is about 2028.3999197694.

The spelling of 8345661276 in words is "eight billion, three hundred forty-five million, six hundred sixty-one thousand, two hundred seventy-six".