87374471 has 2 divisors, whose sum is σ = 87374472. Its totient is φ = 87374470.

The previous prime is 87374459. The next prime is 87374479. The reversal of 87374471 is 17447378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87374471 - 2¹⁸ = 87112327 is a prime.

It is a super-3 number, since 3×87374471³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87374479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43687235 + 43687236.

It is an arithmetic number, because the mean of its divisors is an integer number (43687236).

Almost surely, 2^87374471 is an apocalyptic number.

87374471 is a deficient number, since it is larger than the sum of its proper divisors (1).

87374471 is an equidigital number, since it uses as much as digits as its factorization.

87374471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131712, while the sum is 41.

The square root of 87374471 is about 9347.4312514188. The cubic root of 87374471 is about 443.7395988834.

The spelling of 87374471 in words is "eighty-seven million, three hundred seventy-four thousand, four hundred seventy-one".