27700772077 has 8 divisors (see below), whose sum is σ = 31996613952. Its totient is φ = 23701195200.

The previous prime is 27700772027. The next prime is 27700772089. The reversal of 27700772077 is 77027700772.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 27700772077 - 2¹⁵ = 27700739309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27700772027) 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 7 ways as a sum of consecutive naturals, for example, 74066049 + ... + 74066422.

It is an arithmetic number, because the mean of its divisors is an integer number (3999576744).

Almost surely, 2^27700772077 is an apocalyptic number.

It is an amenable number.

27700772077 is a deficient number, since it is larger than the sum of its proper divisors (4295841875).

27700772077 is a wasteful number, since it uses less digits than its factorization.

27700772077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148132499.

The product of its (nonzero) digits is 470596, while the sum is 46.

The spelling of 27700772077 in words is "twenty-seven billion, seven hundred million, seven hundred seventy-two thousand, seventy-seven".