27297226979652 has 48 divisors (see below), whose sum is σ = 74166050673792. Its totient is φ = 7652052844800.

The previous prime is 27297226979647. The next prime is 27297226979657. The reversal of 27297226979652 is 25697962279272.

It is an interprime number because it is at equal distance from previous prime (27297226979647) and next prime (27297226979657).

It is a super-2 number, since 2×27297226979652² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27297226979657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3065721849 + ... + 3065730752.

It is an arithmetic number, because the mean of its divisors is an integer number (1545126055704).

Almost surely, 2^{27297226979652} is an apocalyptic number.

It is an amenable number.

27297226979652 is an abundant number, since it is smaller than the sum of its proper divisors (46868823694140).

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

27297226979652 is a wasteful number, since it uses less digits than its factorization.

27297226979652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131452668 (or 6131452666 counting only the distinct ones).

The product of its digits is 1440270720, while the sum is 75.

The spelling of 27297226979652 in words is "twenty-seven trillion, two hundred ninety-seven billion, two hundred twenty-six million, nine hundred seventy-nine thousand, six hundred fifty-two".