5191520784 has 60 divisors (see below), whose sum is σ = 14154491376. Its totient is φ = 1639422144.

The previous prime is 5191520777. The next prime is 5191520791. The reversal of 5191520784 is 4870251915.

It is an interprime number because it is at equal distance from previous prime (5191520777) and next prime (5191520791).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132474 + ... + 167129.

Almost surely, 2^5191520784 is an apocalyptic number.

It is an amenable number.

5191520784 is an abundant number, since it is smaller than the sum of its proper divisors (8962970592).

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

5191520784 is a wasteful number, since it uses less digits than its factorization.

5191520784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299652 (or 299627 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 5191520784 is about 72052.2087378312. The cubic root of 5191520784 is about 1731.5360280644.

The spelling of 5191520784 in words is "five billion, one hundred ninety-one million, five hundred twenty thousand, seven hundred eighty-four".