10017878871 has 128 divisors (see below), whose sum is σ = 19060070400. Its totient is φ = 4511324160.

The previous prime is 10017878867. The next prime is 10017878879. The reversal of 10017878871 is 17887871001.

It is not a de Polignac number, because 10017878871 - 2² = 10017878867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10017878871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10017878879) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3220665 + ... + 3223773.

It is an arithmetic number, because the mean of its divisors is an integer number (148906800).

Almost surely, 2^10017878871 is an apocalyptic number.

10017878871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10017878871 is a deficient number, since it is larger than the sum of its proper divisors (9042191529).

10017878871 is a wasteful number, since it uses less digits than its factorization.

10017878871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209.

The product of its (nonzero) digits is 175616, while the sum is 48.

It can be divided in two parts, 10017 and 878871, that added together give a palindrome (888888).

The spelling of 10017878871 in words is "ten billion, seventeen million, eight hundred seventy-eight thousand, eight hundred seventy-one".