27902927052 has 576 divisors, whose sum is σ = 101091594240. Its totient is φ = 6248793600.

The previous prime is 27902927027. The next prime is 27902927057. The reversal of 27902927052 is 25072920972.

It is a happy number.

It is a super-3 number, since 3×27902927052³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27902926989 and 27902927007.

It is not an unprimeable number, because it can be changed into a prime (27902927057) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 56828527 + ... + 56829017.

It is an arithmetic number, because the mean of its divisors is an integer number (175506240).

Almost surely, 2^27902927052 is an apocalyptic number.

27902927052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27902927052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50545797120).

27902927052 is an abundant number, since it is smaller than the sum of its proper divisors (73188667188).

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

27902927052 is a wasteful number, since it uses less digits than its factorization.

27902927052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 27902927052 in words is "twenty-seven billion, nine hundred two million, nine hundred twenty-seven thousand, fifty-two".