87162151 has 2 divisors, whose sum is σ = 87162152. Its totient is φ = 87162150.

The previous prime is 87162113. The next prime is 87162167. The reversal of 87162151 is 15126178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87162151 - 2²¹ = 85064999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87162181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43581075 + 43581076.

It is an arithmetic number, because the mean of its divisors is an integer number (43581076).

Almost surely, 2^87162151 is an apocalyptic number.

87162151 is a deficient number, since it is larger than the sum of its proper divisors (1).

87162151 is an equidigital number, since it uses as much as digits as its factorization.

87162151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 31.

The square root of 87162151 is about 9336.0672126972. The cubic root of 87162151 is about 443.3798782169.

The spelling of 87162151 in words is "eighty-seven million, one hundred sixty-two thousand, one hundred fifty-one".