5121089784 has 64 divisors (see below), whose sum is σ = 14609738400. Its totient is φ = 1660891392.

The previous prime is 5121089767. The next prime is 5121089797. The reversal of 5121089784 is 4879801215.

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, 312397 + ... + 328380.

Almost surely, 2^5121089784 is an apocalyptic number.

5121089784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5121089784 is an abundant number, since it is smaller than the sum of its proper divisors (9488648616).

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

5121089784 is a wasteful number, since it uses less digits than its factorization.

5121089784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640829 (or 640819 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 5121089784 is about 71561.7899720235. The cubic root of 5121089784 is about 1723.6700281658.

The spelling of 5121089784 in words is "five billion, one hundred twenty-one million, eighty-nine thousand, seven hundred eighty-four".