5990065780 has 72 divisors (see below), whose sum is σ = 13318784640. Its totient is φ = 2262617280.

The previous prime is 5990065771. The next prime is 5990065813. The reversal of 5990065780 is 875600995.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2590825 + ... + 2593135.

It is an arithmetic number, because the mean of its divisors is an integer number (184983120).

Almost surely, 2^5990065780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5990065780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6659392320).

5990065780 is an abundant number, since it is smaller than the sum of its proper divisors (7328718860).

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

5990065780 is a wasteful number, since it uses less digits than its factorization.

5990065780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2696 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 5990065780 is about 77395.5152447479. The cubic root of 5990065780 is about 1816.1171679627.

The spelling of 5990065780 in words is "five billion, nine hundred ninety million, sixty-five thousand, seven hundred eighty".