5101986780 has 216 divisors, whose sum is σ = 17907598800. Its totient is φ = 1171653120.

The previous prime is 5101986779. The next prime is 5101986793. The reversal of 5101986780 is 876891015.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 407656 + ... + 419984.

It is an arithmetic number, because the mean of its divisors is an integer number (82905550).

Almost surely, 2^5101986780 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 5101986780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8953799400).

5101986780 is an abundant number, since it is smaller than the sum of its proper divisors (12805612020).

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

5101986780 is a wasteful number, since it uses less digits than its factorization.

5101986780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12385 (or 12369 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 5101986780 is about 71428.1931732842. The cubic root of 5101986780 is about 1721.5241110309.

The spelling of 5101986780 in words is "five billion, one hundred one million, nine hundred eighty-six thousand, seven hundred eighty".