87883157 has 2 divisors, whose sum is σ = 87883158. Its totient is φ = 87883156.

The previous prime is 87883153. The next prime is 87883199. The reversal of 87883157 is 75138878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45711121 + 42172036 = 6761^2 + 6494^2 .

It is a cyclic number.

It is not a de Polignac number, because 87883157 - 2² = 87883153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87883153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43941578 + 43941579.

It is an arithmetic number, because the mean of its divisors is an integer number (43941579).

Almost surely, 2^87883157 is an apocalyptic number.

It is an amenable number.

87883157 is a deficient number, since it is larger than the sum of its proper divisors (1).

87883157 is an equidigital number, since it uses as much as digits as its factorization.

87883157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 47.

The square root of 87883157 is about 9374.6016982056. The cubic root of 87883157 is about 444.5990699322.

The spelling of 87883157 in words is "eighty-seven million, eight hundred eighty-three thousand, one hundred fifty-seven".