78017271101 has 16 divisors (see below), whose sum is σ = 97382398848. Its totient is φ = 60721358400.

The previous prime is 78017271091. The next prime is 78017271121. The reversal of 78017271101 is 10117271087.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 78017271101 - 2⁶ = 78017271037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78017271121) 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, 528230 + ... + 659591.

It is an arithmetic number, because the mean of its divisors is an integer number (6086399928).

Almost surely, 2^78017271101 is an apocalyptic number.

It is an amenable number.

78017271101 is a deficient number, since it is larger than the sum of its proper divisors (19365127747).

78017271101 is a wasteful number, since it uses less digits than its factorization.

78017271101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188692.

The product of its (nonzero) digits is 5488, while the sum is 35.

The spelling of 78017271101 in words is "seventy-eight billion, seventeen million, two hundred seventy-one thousand, one hundred one".