102171278884 has 12 divisors (see below), whose sum is σ = 178803460108. Its totient is φ = 51084576000.

The previous prime is 102171278873. The next prime is 102171278897. The reversal of 102171278884 is 488872171201.

It can be written as a sum of positive squares in 2 ways, for example, as 64429668900 + 37741609984 = 253830^2 + 194272^2 .

It is a super-3 number, since 3×102171278884³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25557 + ... + 452764.

Almost surely, 2^102171278884 is an apocalyptic number.

It is an amenable number.

102171278884 is a deficient number, since it is larger than the sum of its proper divisors (76632181224).

102171278884 is a wasteful number, since it uses less digits than its factorization.

102171278884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531726 (or 531724 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 49.

The spelling of 102171278884 in words is "one hundred two billion, one hundred seventy-one million, two hundred seventy-eight thousand, eight hundred eighty-four".