101581677927 has 6 divisors (see below), whose sum is σ = 146729090352. Its totient is φ = 67721118612.

The previous prime is 101581677851. The next prime is 101581677931. The reversal of 101581677927 is 729776185101.

It is not a de Polignac number, because 101581677927 - 2²⁴ = 101564900711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101581677937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5643426543 + ... + 5643426560.

It is an arithmetic number, because the mean of its divisors is an integer number (24454848392).

Almost surely, 2^101581677927 is an apocalyptic number.

101581677927 is a deficient number, since it is larger than the sum of its proper divisors (45147412425).

101581677927 is a wasteful number, since it uses less digits than its factorization.

101581677927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286853109 (or 11286853106 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 54.

The spelling of 101581677927 in words is "one hundred one billion, five hundred eighty-one million, six hundred seventy-seven thousand, nine hundred twenty-seven".