5187340764 has 90 divisors (see below), whose sum is σ = 14405606600. Its totient is φ = 1627371648.

The previous prime is 5187340681. The next prime is 5187340783. The reversal of 5187340764 is 4670437815.

5187340764 is a `hidden beast` number, since 5 + 187 + 3 + 407 + 64 = 666.

It is a super-2 number, since 2×5187340764² = 53817008403712207392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 65937 + ... + 121335.

Almost surely, 2^5187340764 is an apocalyptic number.

5187340764 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5187340764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7202803300).

5187340764 is an abundant number, since it is smaller than the sum of its proper divisors (9218265836).

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

5187340764 is a wasteful number, since it uses less digits than its factorization.

5187340764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55449 (or 55421 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 5187340764 is about 72023.1960135066. The cubic root of 5187340764 is about 1731.0711804183.

The spelling of 5187340764 in words is "five billion, one hundred eighty-seven million, three hundred forty thousand, seven hundred sixty-four".