27299920536 has 192 divisors, whose sum is σ = 87753818880. Its totient is φ = 7788908160.

The previous prime is 27299920513. The next prime is 27299920547. The reversal of 27299920536 is 63502999272.

It is a super-2 number, since 2×27299920536² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 17376631 + ... + 17378201.

It is an arithmetic number, because the mean of its divisors is an integer number (457051140).

Almost surely, 2^27299920536 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 27299920536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43876909440).

27299920536 is an abundant number, since it is smaller than the sum of its proper divisors (60453898344).

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

27299920536 is a wasteful number, since it uses less digits than its factorization.

27299920536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876 (or 2860 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 27299920536 in words is "twenty-seven billion, two hundred ninety-nine million, nine hundred twenty thousand, five hundred thirty-six".