87374671 has 2 divisors, whose sum is σ = 87374672. Its totient is φ = 87374670.

The previous prime is 87374657. The next prime is 87374689. The reversal of 87374671 is 17647378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87374671 - 2¹³ = 87366479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87374471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43687335 + 43687336.

It is an arithmetic number, because the mean of its divisors is an integer number (43687336).

Almost surely, 2^87374671 is an apocalyptic number.

87374671 is a deficient number, since it is larger than the sum of its proper divisors (1).

87374671 is an equidigital number, since it uses as much as digits as its factorization.

87374671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 43.

The square root of 87374671 is about 9347.4419495389. The cubic root of 87374671 is about 443.7399374561.

The spelling of 87374671 in words is "eighty-seven million, three hundred seventy-four thousand, six hundred seventy-one".