27801020677 has 8 divisors (see below), whose sum is σ = 28010203200. Its totient is φ = 27591969504.

The previous prime is 27801020633. The next prime is 27801020701. The reversal of 27801020677 is 77602010872.

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 27801020677 - 2¹⁵ = 27800987909 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 (27801024677) 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, 414888 + ... + 477214.

It is an arithmetic number, because the mean of its divisors is an integer number (3501275400).

Almost surely, 2^27801020677 is an apocalyptic number.

It is an amenable number.

27801020677 is a deficient number, since it is larger than the sum of its proper divisors (209182523).

27801020677 is a wasteful number, since it uses less digits than its factorization.

27801020677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65675.

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 27801020677 in words is "twenty-seven billion, eight hundred one million, twenty thousand, six hundred seventy-seven".