51327100386 has 80 divisors (see below), whose sum is σ = 117208982880. Its totient is φ = 16783260480.

The previous prime is 51327100369. The next prime is 51327100453. The reversal of 51327100386 is 68300172315.

51327100386 is a `hidden beast` number, since 5 + 1 + 3 + 271 + 0 + 0 + 386 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51327100386.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4687510 + ... + 4698446.

It is an arithmetic number, because the mean of its divisors is an integer number (1465112286).

Almost surely, 2^51327100386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51327100386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58604491440).

51327100386 is an abundant number, since it is smaller than the sum of its proper divisors (65881882494).

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

51327100386 is a wasteful number, since it uses less digits than its factorization.

51327100386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11501 (or 11492 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 51327100386 in words is "fifty-one billion, three hundred twenty-seven million, one hundred thousand, three hundred eighty-six".