8711648949 has 8 divisors (see below), whose sum is σ = 11620182592. Its totient is φ = 5805440640.

The previous prime is 8711648893. The next prime is 8711648971. The reversal of 8711648949 is 9498461178.

It is a happy number.

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

It is not a de Polignac number, because 8711648949 - 2⁷ = 8711648821 is a prime.

It is a super-2 number, since 2×8711648949² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8711647949) 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, 572572 + ... + 587589.

It is an arithmetic number, because the mean of its divisors is an integer number (1452522824).

Almost surely, 2^8711648949 is an apocalyptic number.

It is an amenable number.

8711648949 is a deficient number, since it is larger than the sum of its proper divisors (2908533643).

8711648949 is a wasteful number, since it uses less digits than its factorization.

8711648949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162667.

The product of its digits is 3483648, while the sum is 57.

The square root of 8711648949 is about 93336.2145632658. The cubic root of 8711648949 is about 2057.6276574335.

The spelling of 8711648949 in words is "eight billion, seven hundred eleven million, six hundred forty-eight thousand, nine hundred forty-nine".