47754977 has 2 divisors, whose sum is σ = 47754978. Its totient is φ = 47754976.

The previous prime is 47754937. The next prime is 47754991. The reversal of 47754977 is 77945774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39740416 + 8014561 = 6304^2 + 2831^2 .

It is a cyclic number.

It is not a de Polignac number, because 47754977 - 2¹⁶ = 47689441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47754937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23877488 + 23877489.

It is an arithmetic number, because the mean of its divisors is an integer number (23877489).

Almost surely, 2^47754977 is an apocalyptic number.

It is an amenable number.

47754977 is a deficient number, since it is larger than the sum of its proper divisors (1).

47754977 is an equidigital number, since it uses as much as digits as its factorization.

47754977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728720, while the sum is 50.

The square root of 47754977 is about 6910.4975942402. The cubic root of 47754977 is about 362.8046795580.

The spelling of 47754977 in words is "forty-seven million, seven hundred fifty-four thousand, nine hundred seventy-seven".