87874133 has 2 divisors, whose sum is σ = 87874134. Its totient is φ = 87874132.

The previous prime is 87874123. The next prime is 87874151. The reversal of 87874133 is 33147878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75916369 + 11957764 = 8713^2 + 3458^2 .

It is a cyclic number.

It is not a de Polignac number, because 87874133 - 2¹² = 87870037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87874103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43937066 + 43937067.

It is an arithmetic number, because the mean of its divisors is an integer number (43937067).

Almost surely, 2^87874133 is an apocalyptic number.

It is an amenable number.

87874133 is a deficient number, since it is larger than the sum of its proper divisors (1).

87874133 is an equidigital number, since it uses as much as digits as its factorization.

87874133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 87874133 is about 9374.1203854015. The cubic root of 87874133 is about 444.5838520017.

The spelling of 87874133 in words is "eighty-seven million, eight hundred seventy-four thousand, one hundred thirty-three".