47927951 has 2 divisors, whose sum is σ = 47927952. Its totient is φ = 47927950.

The previous prime is 47927909. The next prime is 47927959. The reversal of 47927951 is 15972974.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47927951 is a prime.

It is a super-3 number, since 3×47927951³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47927959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23963975 + 23963976.

It is an arithmetic number, because the mean of its divisors is an integer number (23963976).

Almost surely, 2^47927951 is an apocalyptic number.

47927951 is the 3701-st centered heptagonal number.

47927951 is a deficient number, since it is larger than the sum of its proper divisors (1).

47927951 is an equidigital number, since it uses as much as digits as its factorization.

47927951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 44.

The square root of 47927951 is about 6923.0015889064. The cubic root of 47927951 is about 363.2421917863.

The spelling of 47927951 in words is "forty-seven million, nine hundred twenty-seven thousand, nine hundred fifty-one".