101170027987 has 16 divisors (see below), whose sum is σ = 120973501440. Its totient is φ = 82724428512.

The previous prime is 101170027951. The next prime is 101170027991. The reversal of 101170027987 is 789720071101.

It is a cyclic number.

It is not a de Polignac number, because 101170027987 - 2²⁷ = 101035810259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101170027787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782287 + ... + 902392.

It is an arithmetic number, because the mean of its divisors is an integer number (7560843840).

Almost surely, 2^101170027987 is an apocalyptic number.

101170027987 is a deficient number, since it is larger than the sum of its proper divisors (19803473453).

101170027987 is a wasteful number, since it uses less digits than its factorization.

101170027987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685082.

The product of its (nonzero) digits is 49392, while the sum is 43.

The spelling of 101170027987 in words is "one hundred one billion, one hundred seventy million, twenty-seven thousand, nine hundred eighty-seven".