27700501699136 has 28 divisors (see below), whose sum is σ = 62820780640128. Its totient is φ = 11871643585152.

The previous prime is 27700501699081. The next prime is 27700501699153. The reversal of 27700501699136 is 63199610500772.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30915738056 + ... + 30915738951.

It is an arithmetic number, because the mean of its divisors is an integer number (2243599308576).

Almost surely, 2^{27700501699136} is an apocalyptic number.

It is an amenable number.

27700501699136 is an abundant number, since it is smaller than the sum of its proper divisors (35120278940992).

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

27700501699136 is an equidigital number, since it uses as much as digits as its factorization.

27700501699136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61831477026 (or 61831477016 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 56.

The spelling of 27700501699136 in words is "twenty-seven trillion, seven hundred billion, five hundred one million, six hundred ninety-nine thousand, one hundred thirty-six".