87152771 has 2 divisors, whose sum is σ = 87152772. Its totient is φ = 87152770.

The previous prime is 87152731. The next prime is 87152783. The reversal of 87152771 is 17725178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87152771 - 2⁶ = 87152707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (87152731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43576385 + 43576386.

It is an arithmetic number, because the mean of its divisors is an integer number (43576386).

Almost surely, 2^87152771 is an apocalyptic number.

87152771 is a deficient number, since it is larger than the sum of its proper divisors (1).

87152771 is an equidigital number, since it uses as much as digits as its factorization.

87152771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27440, while the sum is 38.

The square root of 87152771 is about 9335.5648463283. The cubic root of 87152771 is about 443.3639727946.

The spelling of 87152771 in words is "eighty-seven million, one hundred fifty-two thousand, seven hundred seventy-one".