47958117 has 4 divisors (see below), whose sum is σ = 63944160. Its totient is φ = 31972076.

The previous prime is 47958107. The next prime is 47958137. The reversal of 47958117 is 71185974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47958117 - 2⁴ = 47958101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47958107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7993017 + ... + 7993022.

It is an arithmetic number, because the mean of its divisors is an integer number (15986040).

Almost surely, 2^47958117 is an apocalyptic number.

It is an amenable number.

47958117 is a deficient number, since it is larger than the sum of its proper divisors (15986043).

47958117 is a wasteful number, since it uses less digits than its factorization.

47958117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15986042.

The product of its digits is 70560, while the sum is 42.

The square root of 47958117 is about 6925.1799254604. The cubic root of 47958117 is about 363.3183843881.

The spelling of 47958117 in words is "forty-seven million, nine hundred fifty-eight thousand, one hundred seventeen".