87374629 has 2 divisors, whose sum is σ = 87374630. Its totient is φ = 87374628.

The previous prime is 87374579. The next prime is 87374653. The reversal of 87374629 is 92647378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82773604 + 4601025 = 9098^2 + 2145^2 .

It is a cyclic number.

It is not a de Polignac number, because 87374629 - 2¹¹ = 87372581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87374689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43687314 + 43687315.

It is an arithmetic number, because the mean of its divisors is an integer number (43687315).

Almost surely, 2^87374629 is an apocalyptic number.

It is an amenable number.

87374629 is a deficient number, since it is larger than the sum of its proper divisors (1).

87374629 is an equidigital number, since it uses as much as digits as its factorization.

87374629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 87374629 is about 9347.4397029347. The cubic root of 87374629 is about 443.7398663559.

It can be divided in two parts, 8737 and 4629, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 87374629 in words is "eighty-seven million, three hundred seventy-four thousand, six hundred twenty-nine".