8719247064 has 64 divisors (see below), whose sum is σ = 24080832000. Its totient is φ = 2608744320.

The previous prime is 8719247057. The next prime is 8719247071. The reversal of 8719247064 is 4607429178.

It is an interprime number because it is at equal distance from previous prime (8719247057) and next prime (8719247071).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188179 + ... + 229890.

It is an arithmetic number, because the mean of its divisors is an integer number (376263000).

Almost surely, 2^8719247064 is an apocalyptic number.

It is an amenable number.

8719247064 is an abundant number, since it is smaller than the sum of its proper divisors (15361584936).

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

8719247064 is a wasteful number, since it uses less digits than its factorization.

8719247064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418168 (or 418164 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 8719247064 is about 93376.9086230638. The cubic root of 8719247064 is about 2058.2256899690.

The spelling of 8719247064 in words is "eight billion, seven hundred nineteen million, two hundred forty-seven thousand, sixty-four".