47030668967881 has 9 divisors (see below), whose sum is σ = 48708544465191. Its totient is φ = 45408729741144.

The previous prime is 47030668967873. The next prime is 47030668967917. The reversal of 47030668967881 is 18876986603074.

The square root of 47030668967881 is 6857891.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 24661741991481 + 22368926976400 = 4966059^2 + 4729580^2 .

It is not a de Polignac number, because 47030668967881 - 2³ = 47030668967873 is a prime.

It is a super-2 number, since 2×47030668967881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47030662967881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 198760600 + ... + 198997078.

Almost surely, 2^{47030668967881} is an apocalyptic number.

47030668967881 is the 6857891-st square number.

47030668967881 is the 3428946-th centered octagonal number.

It is an amenable number.

47030668967881 is a deficient number, since it is larger than the sum of its proper divisors (1677875497310).

47030668967881 is an frugal number, since it uses more digits than its factorization.

47030668967881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473016 (or 236508 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 73.

The spelling of 47030668967881 in words is "forty-seven trillion, thirty billion, six hundred sixty-eight million, nine hundred sixty-seven thousand, eight hundred eighty-one".