87374933 has 2 divisors, whose sum is σ = 87374934. Its totient is φ = 87374932.

The previous prime is 87374897. The next prime is 87374971. The reversal of 87374933 is 33947378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87179569 + 195364 = 9337^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 87374933 - 2¹⁸ = 87112789 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 (87314933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43687466 + 43687467.

It is an arithmetic number, because the mean of its divisors is an integer number (43687467).

Almost surely, 2^87374933 is an apocalyptic number.

It is an amenable number.

87374933 is a deficient number, since it is larger than the sum of its proper divisors (1).

87374933 is an equidigital number, since it uses as much as digits as its factorization.

87374933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 44.

The square root of 87374933 is about 9347.4559640578. The cubic root of 87374933 is about 443.7403809857.

The spelling of 87374933 in words is "eighty-seven million, three hundred seventy-four thousand, nine hundred thirty-three".