27700717044 has 384 divisors, whose sum is σ = 93252096000. Its totient is φ = 6289436160.

The previous prime is 27700717043. The next prime is 27700717081. The reversal of 27700717044 is 44071700772.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 27700716993 and 27700717011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27700717043) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11181934 + ... + 11184410.

It is an arithmetic number, because the mean of its divisors is an integer number (242844000).

Almost surely, 2^27700717044 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 27700717044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46626048000).

27700717044 is an abundant number, since it is smaller than the sum of its proper divisors (65551378956).

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

27700717044 is a wasteful number, since it uses less digits than its factorization.

27700717044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548 (or 2532 counting only the distinct ones).

The product of its (nonzero) digits is 76832, while the sum is 39.

The spelling of 27700717044 in words is "twenty-seven billion, seven hundred million, seven hundred seventeen thousand, forty-four".