47930117 has 2 divisors, whose sum is σ = 47930118. Its totient is φ = 47930116.

The previous prime is 47930101. The next prime is 47930131. The reversal of 47930117 is 71103974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33535681 + 14394436 = 5791^2 + 3794^2 .

It is a cyclic number.

It is not a de Polignac number, because 47930117 - 2⁴ = 47930101 is a prime.

It is a super-2 number, since 2×47930117² = 4594592231267378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47930147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23965058 + 23965059.

It is an arithmetic number, because the mean of its divisors is an integer number (23965059).

Almost surely, 2^47930117 is an apocalyptic number.

It is an amenable number.

47930117 is a deficient number, since it is larger than the sum of its proper divisors (1).

47930117 is an equidigital number, since it uses as much as digits as its factorization.

47930117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 47930117 is about 6923.1580221746. The cubic root of 47930117 is about 363.2476636854.

The spelling of 47930117 in words is "forty-seven million, nine hundred thirty thousand, one hundred seventeen".