8719834540 has 48 divisors (see below), whose sum is σ = 19639156320. Its totient is φ = 3242004480.

The previous prime is 8719834537. The next prime is 8719834549. The reversal of 8719834540 is 454389178.

It is not an unprimeable number, because it can be changed into a prime (8719834549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196341 + ... + 236620.

It is an arithmetic number, because the mean of its divisors is an integer number (409149090).

Almost surely, 2^8719834540 is an apocalyptic number.

It is an amenable number.

8719834540 is an abundant number, since it is smaller than the sum of its proper divisors (10919321780).

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

8719834540 is a wasteful number, since it uses less digits than its factorization.

8719834540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433042 (or 433040 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 8719834540 is about 93380.0542942656. The cubic root of 8719834540 is about 2058.2719145658.

The spelling of 8719834540 in words is "eight billion, seven hundred nineteen million, eight hundred thirty-four thousand, five hundred forty".