27755137077 has 8 divisors (see below), whose sum is σ = 37029713760. Its totient is φ = 18491992560.

The previous prime is 27755137051. The next prime is 27755137177. The reversal of 27755137077 is 77073155772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27755137077 - 2¹² = 27755132981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27755137027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2852374 + ... + 2862087.

It is an arithmetic number, because the mean of its divisors is an integer number (4628714220).

Almost surely, 2^27755137077 is an apocalyptic number.

It is an amenable number.

27755137077 is a deficient number, since it is larger than the sum of its proper divisors (9274576683).

27755137077 is a wasteful number, since it uses less digits than its factorization.

27755137077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716083.

The product of its (nonzero) digits is 2521050, while the sum is 51.

The spelling of 27755137077 in words is "twenty-seven billion, seven hundred fifty-five million, one hundred thirty-seven thousand, seventy-seven".