8619366261 has 8 divisors (see below), whose sum is σ = 12537260064. Its totient is φ = 5223858320.

The previous prime is 8619366257. The next prime is 8619366277. The reversal of 8619366261 is 1626639168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8619366261 - 2² = 8619366257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8619366261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8619366281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130596426 + ... + 130596491.

It is an arithmetic number, because the mean of its divisors is an integer number (1567157508).

Almost surely, 2^8619366261 is an apocalyptic number.

It is an amenable number.

8619366261 is a deficient number, since it is larger than the sum of its proper divisors (3917893803).

8619366261 is a wasteful number, since it uses less digits than its factorization.

8619366261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261192931.

The product of its digits is 559872, while the sum is 48.

The square root of 8619366261 is about 92840.5421192703. The cubic root of 8619366261 is about 2050.3363525833.

The spelling of 8619366261 in words is "eight billion, six hundred nineteen million, three hundred sixty-six thousand, two hundred sixty-one".