47207991076 has 9 divisors (see below), whose sum is σ = 82614744849. Its totient is φ = 23603778264.

The previous prime is 47207991043. The next prime is 47207991079. The reversal of 47207991076 is 67019970274.

The square root of 47207991076 is 217274.

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., 16504540900 + 30703450176 = 128470^2 + 175224^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47207991079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 380230 + ... + 488866.

Almost surely, 2^47207991076 is an apocalyptic number.

47207991076 is the 217274-th square number.

It is an amenable number.

47207991076 is a deficient number, since it is larger than the sum of its proper divisors (35406753773).

47207991076 is an frugal number, since it uses more digits than its factorization.

47207991076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217278 (or 108639 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 47207991076 in words is "forty-seven billion, two hundred seven million, nine hundred ninety-one thousand, seventy-six".