27918010746 has 64 divisors (see below), whose sum is σ = 63293529600. Its totient is φ = 9119835648.

The previous prime is 27918010741. The next prime is 27918010781. The reversal of 27918010746 is 64701081972.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27918010741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517375 + ... + 568781.

It is an arithmetic number, because the mean of its divisors is an integer number (988961400).

Almost surely, 2^27918010746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27918010746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31646764800).

27918010746 is an abundant number, since it is smaller than the sum of its proper divisors (35375518854).

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

27918010746 is a wasteful number, since it uses less digits than its factorization.

27918010746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51620 (or 51614 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 27918010746 in words is "twenty-seven billion, nine hundred eighteen million, ten thousand, seven hundred forty-six".