47488877 has 2 divisors, whose sum is σ = 47488878. Its totient is φ = 47488876.

The previous prime is 47488853. The next prime is 47488897. The reversal of 47488877 is 77888474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47141956 + 346921 = 6866^2 + 589^2 .

It is a cyclic number.

It is not a de Polignac number, because 47488877 - 2¹⁴ = 47472493 is a prime.

It is a super-2 number, since 2×47488877² = 4510386877442258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47488817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23744438 + 23744439.

It is an arithmetic number, because the mean of its divisors is an integer number (23744439).

Almost surely, 2^47488877 is an apocalyptic number.

It is an amenable number.

47488877 is a deficient number, since it is larger than the sum of its proper divisors (1).

47488877 is an equidigital number, since it uses as much as digits as its factorization.

47488877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2809856, while the sum is 53.

The square root of 47488877 is about 6891.2173815662. The cubic root of 47488877 is about 362.1295513235.

The spelling of 47488877 in words is "forty-seven million, four hundred eighty-eight thousand, eight hundred seventy-seven".